Query Expansion 2015


Query expansion is the process of reformulating a seed query, for instance expanding a search.


See also:

100 Best BigQuery Videos100 Best XQuery VideosQuery Construction ModuleQuery Expansion & Dialog SystemsQuery Expansion 2013Query Expansion 2014Query Formulation Module

Weighted word pairs for query expansion F Colace, M De Santo, L Greco… – Information Processing & …, 2015 – Elsevier Abstract This paper proposes a novel query expansion method to improve accuracy of text retrieval systems. Our method makes use of a minimal relevance feedback to expand the initial query with a structured representation composed of weighted pairs of words. Such a … Cited by 10 Related articles All 6 versions

Query expansion with Freebase C Xiong, J Callan – Proceedings of the 2015 International Conference on …, 2015 – dl.acm.org Abstract Large knowledge bases are being developed to describe entities, their attributes, and their relationships to other entities. Prior research mostly focuses on the construction of knowledge bases, while how to use them in information retrieval is still an open problem. … Cited by 13 Related articles All 4 versions

A query expansion method for retrieving online BIM resources based on Industry Foundation Classes G Gao, YS Liu, M Wang, M Gu, JH Yong – Automation in Construction, 2015 – Elsevier Abstract With the rapid popularity of Building Information Modeling (BIM) technology, BIM resources such as building product libraries are growing rapidly on the World Wide Web. As a result, this also increases the difficulty for quickly finding useful BIM resources that are … Cited by 9 Related articles All 4 versions

Query expansion via wordnet for effective code search M Lu, X Sun, S Wang, D Lo… – 2015 IEEE 22nd …, 2015 – ieeexplore.ieee.org Abstract—Source code search plays an important role in software maintenance. The effectiveness of source code search not only relies on the search technique, but also on the quality of the query. In practice, software systems are large, thus it is difficult for a … Cited by 10 Related articles All 8 versions

Flexible semantic query expansion for process exploration S Mielke, M Pelke, S Pospiech… – … Computing (ICSC), 2015 …, 2015 – ieeexplore.ieee.org Abstract-Process exploration tools help to identify business processes that are not executed according to their documentation or lack such documentation at all. These process steps are executed by human beings, therefore process traces can often be found in unstructured … Cited by 4 Related articles All 2 versions

Understanding graph structure of Wikipedia for query expansion J Guisado-Gámez, A Prat-Pérez – Proceedings of the GRADES’15, 2015 – dl.acm.org Abstract Knowledge bases are very good sources for knowledge extraction, the ability to create knowledge from structured and unstructured sources and use it to improve automatic processes as query expansion. However, extracting knowledge from unstructured sources … Cited by 4 Related articles All 7 versions

Knowledge based query expansion in complex multimedia event detection M Boer, K Schutte, W Kraaij – Multimedia Tools and Applications, 2015 – Springer Abstract A common approach in content based video information retrieval is to perform automatic shot annotation with semantic labels using pre-trained classifiers. The visual vocabulary of state-of-the-art automatic annotation systems is limited to a few thousand … Cited by 5 Related articles All 2 versions

Query Expansion Strategy based on Pseudo Relevance Feedback and Term Weight Scheme for Monolingual Retrieval R Vaidyanathan, S Das, N Srivastava – arXiv preprint arXiv:1502.05168, 2015 – arxiv.org Abstract: Query Expansion using Pseudo Relevance Feedback is a useful and a popular technique for reformulating the query. In our proposed query expansion method, we assume that relevant information can be found within a document near the central idea. The … Cited by 3 Related articles All 9 versions

A Distributed Representation Based Query Expansion Approach for Image Captioning S Yagcioglu, E Erdem, A Erdem, R Cak?c? – Annual Meeting of the …, 2015 – aclweb.org Abstract In this paper, we propose a novel query expansion approach for improving transferbased automatic image captioning. The core idea of our method is to translate the given visual query into a distributional semantics based form, which is generated by the … Cited by 4 Related articles All 8 versions

A formal concept analysis and semantic query expansion cooperation to refine health outcomes of interest OC Curé, H Maurer, NH Shah… – BMC medical …, 2015 – bmcmedinformdecismak. … Background Electronic Health Records (EHRs) are frequently used by clinicians and researchers to search for, extract, and analyze groups of patients by defining Health Outcome of Interests (HOI). The definition of an HOI is generally considered a complex … Cited by 4 Related articles All 10 versions

Knowledge-based query expansion in real-time microblog search R Qiang, F Fan, C Lv, J Yang – arXiv preprint arXiv:1503.03961, 2015 – arxiv.org Abstract: Since the length of microblog texts, such as tweets, is strictly limited to 140 characters, traditional Information Retrieval techniques suffer from the vocabulary mismatch problem severely and cannot yield good performance in the context of microblogosphere. … Cited by 2 Related articles All 4 versions

Relevance Feedback Based Query Expansion Model Using Borda Count and Semantic Similarity Approach J Singh, A Sharan – Computational intelligence and …, 2015 – downloads.hindawi.com Pseudo-Relevance Feedback (PRF) is a well-known method of query expansion for improving the performance of information retrieval systems. All the terms of PRF documents are not important for expanding the user query. Therefore selection of proper expansion … Cited by 4 Related articles All 12 versions

Information retrieval from historical newspaper collections in highly inflectional languages: A query expansion approach A Järvelin, H Keskustalo, E Sormunen… – Journal of the …, 2015 – Wiley Online Library Digitization is a good way to preserve cultural heritage documents and make them widely accessible for researchers and the general public. Cultural institutions are aware of this potential and often consider digitization of their cultural heritage collections as an … Cited by 5 Related articles All 4 versions

Employing query expansion models to help patients diagnose themselves F Lu – Proceedings of the ShARe/CLEF eHealth Evaluation …, 2015 – ceur-ws.org Abstract. In the paper we use two query expansion models, Kullback-Liebler Divergence (KLD) model and parameter-free Bose-Einstein statistics-based (Bo1) model, to improve effectiveness of information retrieval systems and help lay people search relevant medical … Cited by 2 Related articles All 2 versions

Co-occurrence and Semantic Similarity Based Hybrid Approach for Improving Automatic Query Expansion in Information Retrieval J Singh, A Sharan – … Conference on Distributed Computing and Internet …, 2015 – Springer Abstract Pseudo Relevance feedback (PRF) based query expansion approaches assumes that the top ranked retrieved documents are relevant. But this assumption is not always true; it may also possible that a PRF document may contain different topics, which may or may … Cited by 3 Related articles All 3 versions

Context Window Based Co-occurrence Approach for Improving Feedback Based Query Expansion in Information Retrieval J Singh, A Sharan – … Journal of Information Retrieval Research (IJIRR …, 2015 – igi-global.com Abstract Pseudo-relevance feedback (PRF) is a type of relevance feedback approach of query expansion that considers the top ranked retrieved documents as relevance feedback. In this paper the authors focus is to capture the limitation of co-occurrence and PRF based … Cited by 4 Related articles

Event Oriented Query Expansion for News Event Queries K Lu, H Fang – Proceedings of The Twenty-Fouth Text REtrieval …, 2015 – trec.nist.gov Abstract. Query expansion techniques have been commonly used by participants in Temporal Summarization tack. However, many previous attempts focused on expanding queries based on their event types, which only covers partially of the information need … Cited by 1 Related articles All 2 versions

Genetic algorithm-based query expansion for improved information retrieval P Bhatnagar, N Pareek – Intelligent Computing, Communication and …, 2015 – Springer Abstract This paper is focused toward query expansion, which is an important technique for improving retrieval efficiency of an information retrieval system. In particular, the paper proposes an evolutionary approach for improving efficiency of pseudo-relevance … Cited by 1 Related articles All 5 versions

Task 2a: Team KU-CS: Query Coherence Analysis for PRF and Genomics Expansion O Thesprasith, C Jaruskulchai – Proceedings of the …, 2015 – pdfs.semanticscholar.org … plain their health conditions. The different query styles should be treated with different query expansion mechanisms. This work is an adaptive query expansion based on the coherence among query terms. To pro- vide users … Cited by 1 Related articles All 2 versions

Controlled automatic query expansion based on a new method arisen in machine learning for detection of semantic relationships between terms N Ksentini, M Tmar, F Gargouri – Intelligent Systems Design …, 2015 – ieeexplore.ieee.org Abstract: With the proliferation of textual data on the web, efficient access to relevant information to meet the user’s needs has become an important problem in the information retrieval tasks. This problem is specially due to the short queries submitted usually by … Cited by 1

Bi-gram based Query Expansion Technique for Amharic Information Retrieval System A Bruck, T Tilahun – International Journal of Information …, 2015 – search.proquest.com Abstract Information retrieval system has been using to connect users of the information and information repository corpora. Even though the task of information retrieval systems is to retrieve relevant information, it is very difficult to find a perfect information retrieval system … Cited by 1 Related articles All 5 versions

Towards query level resource weighting for diversified query expansion A Bouchoucha, X Liu, JY Nie – European Conference on Information …, 2015 – Springer Abstract Diversifying query expansion that leverages multiple resources has demonstrated promising results in the task of search result diversification (SRD) on several benchmark datasets. In existing studies, however, the weight of a resource, or the degree of the … Cited by 2 Related articles

Improving query expansion for information retrieval using wikipedia L Gan, H Hong – IJDTA, 2015 – sersc.org Abstract Query expansion (QE) is one of the key technologies to improve retrieval efficiency. Many studies on query expansion with relationships from single local corpus suffer from two problems resulting in low retrieval performance: term relationships are limited and unlisted … Cited by 1 Related articles All 2 versions

Assessment of learning to rank methods for query expansion B Xu, H Lin, Y Lin – Journal of the Association for Information …, 2015 – Wiley Online Library Pseudo relevance feedback, as an effective query expansion method, can significantly improve information retrieval performance. However, the method may negatively impact the retrieval performance when some irrelevant terms are used in the expanded query. … Cited by 1 Related articles All 2 versions

TAG term weight-based N gram Thesaurus generation for query expansion in information retrieval application SG Shaila, A Vadivel – Journal of Information Science, 2015 – jis.sagepub.com Abstract Query expansion is an important task in information retrieval applications that improves the user query and helps in retrieving the relevant documents. In this paper, N gram Thesaurus is constructed from the documents for query expansion. The HTML TAGs … Cited by 2 Related articles All 3 versions

Exploring Query Categorisation for Query Expansion: A Study D Pal, M Mitra, S Bhattacharya – arXiv preprint arXiv:1509.05567, 2015 – arxiv.org Abstract: The vocabulary mismatch problem is one of the important challenges facing traditional keyword-based Information Retrieval Systems. The aim of query expansion (QE) is to reduce this query-document mismatch by adding related or synonymous words or … Cited by 4 Related articles All 3 versions

Query-based multi-documents summarization using linguistic knowledge and content word expansion A Abdi, N Idris, RM Alguliyev, RM Aliguliyev – Soft Computing, 2015 – Springer … Keywords Query-based multi-document summarization · Graph-based sentence ranking· Query expansion· Extractive summarization 1 Introduction Due to the huge amount of information available, new tech- nology that can process this information is required by users. … Cited by 3 Related articles All 3 versions

Research on Semantic Query Expansion with Temporal Information W Zhe, J Shan – … and Control Engineering (ICISCE), 2015 2nd …, 2015 – ieeexplore.ieee.org Abstract—The temporal information is an essential attribute in the web page, such as the publish time and the content time in the web page. However, the major search engine does not have more view on the temporal information of web page, and ignored the relationship … Related articles

Word-context matrix based query expansion in information retrieval for Turkish text E Satir, A Alpkocak, D Kilinc – Proceedings of the 6th Symposium on …, 2015 – dl.acm.org Abstract In this paper, we proposed a Query Expansion (QE) approach on a Turkish Text collection based on word-context matrix with a sliding fixed sized window and Singular Value Decomposition (SVD) method. Our query expansion approach uses semantic … Related articles

Query-expansion Approaches for Microblog Retrieval S Avula, J Arguello – trec.nist.gov The School of Information and Library Science at the University of North Carolina at Chapel Hill submitted three runs to the “Scenario B” task of the TREC 2015 Microblog Track. The task simulates a scenario where a user specifies a topic of interest in the form of a … Related articles All 4 versions

A novel model of selecting high quality pseudo-relevance feedback documents using classification approach for query expansion J Singh, A Sharan – … and Future Directions (WCI), 2015 IEEE …, 2015 – ieeexplore.ieee.org Abstract: In this paper, we propose a new high quality pseudo-relevance feedback documents selection approach that uses machine learning based classifier for selecting a set of good feedback documents for boosting the effectiveness of Query Expansion (QE). …

A Study of Semantic Query Expansion Based on Domain Ontology and Local Co-Occurrence Probability Model WX Ning, Q Wang, JK Li, F Wang – Applied Mechanics and …, 2015 – Trans Tech Publ Abstract Keyword-based online book retrieval can not fully understand the user’s query intent. Query expansion is a typical solution, but the rate of recall and precision is still very low in existing methods. In response to these problems, this paper presents a semantic … All 3 versions

Query expansion method based on ontology and user log L OUYANG, R TAN – Computer Engineering and Applications, 2015 – en.cnki.com.cn In order to solve the word ambiguity problem in information retrieval, a new query expansion method based on ontology and user log is proposed. This paper expands user queries using domain ontology from the semantic level to the formation of the initial expanded …

Learning query expansion from association rules between terms A Bouziri, C Latiri, E Gaussier… – … (IC3K), 2015 7th …, 2015 – ieeexplore.ieee.org Abstract: Query expansion technique offers an interesting solution for obtaining a complete answer to a user query while preserving the quality of retained documents. This mainly relies on an accurate choice of the added terms to an initial query. In this paper, we …

CBIA VT at TREC 2015 Clinical Decision Support Track-Exploring Relevance Feedback and Query Expansion in Biomedical Information Retrieval S Zhang, B He, W Fan – trec.nist.gov ABSTRACT We present the description and results of our participation in the Clinical Decision Support track at TREC 2015. In this task, our goal was to use clinical narratives to retrieve biomedical articles. We compared the performance of pseudo relevance feedback … Related articles All 2 versions

An Empirical Comparison of Statistical Term Association Graphs with DBpedia and ConceptNet for Query Expansion R Anand, A Kotov – Proceedings of the 7th Forum for Information …, 2015 – dl.acm.org Abstract Term graphs constructed from document collections as well as external resources, such as encyclopedias (DBpedia) and knowledge bases (ConceptNet), can be used as sources of semantically related terms for query expansion. Although these resources … Related articles

Semi-Automatic Query Expansion Approach to Web-Based Information Retrieval CY Zhang, KL Chen, H Lee, H Lan… – … of the IIMA, 2015 – scholarworks.lib.csusb.edu Abstract The query used for Web searching is usually short and may not be able to reflect the intrinsic semantics of the user information need. The purpose of the paper is to take into account user information feedback, and to develop a semi-automatic query expansion … Related articles All 4 versions

An information retrieval system for Malayalam using query expansion technique A Babu, L Sindhu – Advances in Computing, Communications …, 2015 – ieeexplore.ieee.org Abstract—Malayalam is the administrative language of the south Indian state of Kerala and also of the Lakshadweep islands of west coast of India. This work explain an efficient monolingual information retrieval system for Malayalam using query expansion technique, … Related articles

Query expansion with pairwise learning in object retrieval challenge H Liu, A Shimada, X Xu, H Nagahara… – … of Computer Vision ( …, 2015 – ieeexplore.ieee.org Abstract—Making a reasonable ranking on images in dataset is one of the main objectives for object retrieval challenge, and in this paper we intend to improve the ranking quality. We follow the idea of query expansion in previous researches. Based on the use of bag-of- … Related articles

Contextual Query Expansion for Acquiring Web Documents B Roy, P Upadhyay – ijarcce.com Abstract: Query expansion is an information retrieval technique in which new query terms are added to the original query terms to improve search performance. Contextual query expansion is major issue in today? s era. In this paper, contextualization is achieved by … Related articles All 2 versions

An entity-centric query expansion approach to cumulative citation recommendation in Knowledge Base acceleration C Xie – Fuzzy Systems and Knowledge Discovery (FSKD), …, 2015 – ieeexplore.ieee.org Abstract—Most existing Knowledge Bases (KBs) are maintained manually and difficult to be kept up-to-date. To address this problem, Cumulative Citation Recommendation (CCR) is introduced to filter relevant documents for target entities from a temporally ordered stream … Related articles

A Survey on Different Approaches for Query Expansion Techniques N Rahman, B Borah – researchgate.net Abstract—With continuous and rapid growth of web information, the internet has become the important source of textual information. But it is very much difficult to find out the relevant information from the vast source. Therefore, query expansion can be considered as an …

Modelling the Usefulness of Document Collections for Query Expansion in Patient Search N Limsopatham, C Macdonald, I Ounis – … of the 24th ACM International on …, 2015 – dl.acm.org Abstract Dealing with the medical terminology is a challenge when searching for patients based on the relevance of their medical records towards a given query. Existing work used query expansion (QE) to extract expansion terms from different document collections to … Cited by 2 Related articles All 4 versions

Query expansion for personalized cross-language information retrieval D Zhou, S Lawless, J Liu, S Zhang… – Semantic and Social …, 2015 – ieeexplore.ieee.org Abstract—Cross-language information retrieval research has favored system-centered approaches in the past. The user is not an integral part of the translation and retrieval processes. In this paper, we investigate the problem of personalized cross-language … Related articles All 2 versions

Query Expansion in XML Information Retrieval: a new Approach for terms selection M Mataoui, F Sebbak, F Benhammadi… – … (ICMSAO), 2015 6th …, 2015 – ieeexplore.ieee.org Abstract—Query Expansion is an important component for information retrieval systems. It makes possible the reformulation of the initial user query by adding new terms. In this paper, we propose a new approach for term selection in the relevance feedback process. This … Related articles All 4 versions

Health Query Expansion Using WordNet and UMLS B Lu – 2015 – summit.sfu.ca Abstract: People are paying increasing attention to health information. Existing web search engines often fail to perform effectively for health-related search because they do not consider its special requirements. Usually health information searchers have limited …

Experiments with Query Expansion for Entity Finding F Alarfaj, U Kruschwitz, C Fox – International Conference on Intelligent Text …, 2015 – Springer Abstract Query expansion techniques have proved to have an impact on retrieval performance across many retrieval tasks. This paper reports research on query expansion in the entity finding domain. We used a number of methods for query formulation including … Related articles All 3 versions

Content-Based Image Retrieval Improved by Incorporating Semantic Annotation via Query Expansion G Xu, J Li, C Xu, Q Wang – … Journal of Signal Processing, Image Processing …, 2015 – sersc.org Abstract Automatic image annotation (AIA) is expected to be a promising way to improve the performance of content-based image retrieval (CBIR). However, current image annotation results are always incomplete and noisy, and far from practical usage. In this paper, we … Related articles All 2 versions

Query Expansion techniques A Kankaria – cfilt.iitb.ac.in The Information Retrieval system described above works very well if the user is able to convey his information need in form of query. But query is seldom complete. The query provided by the user is often unstructured and incomplete. An incomplete query hinders a … Related articles

Labeling Synonyms for Query Expansion Using Crowdsourcing and a Search Engine B Smith, C Collins, P Andhale – 2015 – humancomputation.com Abstract Query expansion using synonyms can improve a search engine’s recall, but using synonyms from the wrong domain can decrease precision. Our search application is customer self-help for Intuit products, so the relevant domains include small business … Related articles

A Query Expansion Approach Using Entity Distribution Based on Markov Random Fields R Li, L Hao, X Zhao, P Zhang, D Song… – Asia Information Retrieval …, 2015 – Springer Abstract The development of knowledge graph construction has prompted more and more commercial engines to improve the retrieval performance by using knowledge graphs as the basic semantic web. Knowledge graph is often used for knowledge inference and entity … Cited by 2 Related articles All 4 versions

Twitter Search Query Expansion S Anderson, K Bektemirov – uaf57924.ddns.uark.edu Abstract This project attempts to improve upon Twitter’s default search through the use of query expansion. In this project, we design and implement a single-page web application through which users can submit a query and receive the results from an expanded search. Related articles

Query Expansion Based On Both Long-Term And Short-Term Social Relation In XML Social Book Search L Xinfang, C Qiang – 2015 – atlantis-press.com Abstract—Query expansion technology is usually used to make abundant query to search information. Traditional query expansion based on WordNet, user search log or user feedback couldn’t get the user’s real intent, sometimes the latter could expand overly. In … Related articles

Context-Based Query Expansion Method for Short Queries Using Latent Semantic Analyses B El Ghali, A El Qadi, M Ouadou… – … Conference on Networked …, 2015 – Springer Abstract Short queries are the key difficulty in information retrieval (IR). A plenty of query expansion techniques has been proposed to solve this problem. In this paper, we propose three different models for query suggestion using the cosine similarity (CS), the Language … Related articles All 2 versions

Geospatial Information Retrieval Base on Query Expansion and Semantic Indexing O Sevinc, L Huang, L Loughzang, E Kilic – Journal of Engineering and …, 2015 – tjef.net In this paper, a hybrid approach is developed for geospatial information retrieval which combines query expansion (QE) and latent semantic indexing (LSI) methods. The hybrid method uses the advantages of Query Expansion and Semantic indexing methods for … Related articles All 2 versions

Cluster-based query expansion using external collections in medical information retrieval HS Oh, Y Jung – Journal of biomedical informatics, 2015 – Elsevier Abstract Utilizing external collections to improve retrieval performance is challenging research because various test collections are created for different purposes. Improving medical information retrieval has also gained much attention as various types of medical … Cited by 1 Related articles All 5 versions

Query expansion method based on semantic property feature graph C HAN, J LI, X ZHANG, M XIAO – Journal of Computer Applications, 2015 – en.cnki.com.cn Because of ignoring the semantic relations between words, traditional query expansion methods cannot achieve the desired goals to expand right keywords in the nonstandard short term. Linked Data technology exploits the graph structure of RDF (Resource … Related articles

Novel Query Expansion Method based on User Interest Context and Ontology L Feng, W Zuo, Y Wang – 2015 International Conference on …, 2015 – atlantis-press.com Abstract. We proposed a novel query expansion method by combining user interest and ontology. Firstly, users’ interests are described by contextual words which are generated based on ontology, and the user interest degree with respect to each contextual word is … Related articles All 2 versions

Effect of Log-Based Query Term Expansion on Retrieval Effectiveness in Patent Searching W Tannebaum, P Mahdabi, A Rauber – International Conference of the …, 2015 – Springer … query term. Our experiments on the CLEF-IP 2010 benchmark dataset show that automatic query expansion using PatNet tends to decrease or only slightly improve the retrieval effectiveness, with no significant improvement. An … Related articles All 6 versions

Paper Presentation Total Recall: Automatic Query Expansion with a Generative Feature Model for Object Retrieval B Modi – people.cs.pitt.edu ? Find multi-scale Hessian interest points and fit an affine invariant region to each using the semilocal second moment matrix.? On average, there are 3,300 regions detected on an image of size 1024× 768.? For each of these affine regions, we compute 128-dimensional … Related articles All 2 versions

Diversified query expansion A Bouchoucha – 2015 – papyrus.bib.umontreal.ca La diversification des résultats de recherche (DRR) vise à sélectionner divers documents à partir des résultats de recherche afin de couvrir autant d’intentions que possible. Dans les approches existantes, on suppose que les résultats initiaux sont suffisamment diversifiés … Related articles All 2 versions

Applying Arabic Stemming Using Query Expansion AFA Nwesri, HAH Alyagoubi – 2015 26th International …, 2015 – ieeexplore.ieee.org Abstract—The process of conflating different Arabic word formats to their stem or root is called stemming. Indexing text collection using stems or roots has been reported to be superior to using original word formats. However, the Arabic text stemming has negative … Related articles

Improving OCR-Degraded Arabic Text Retrieval Through an Enhanced Orthographic Query Expansion Model T Elghazaly – International Conference in Swarm Intelligence, 2015 – Springer Abstract This paper introduces an Enhanced Orthographic Query Expansion Model for improving Text Retrieval of Arabic Text resulting from the Optical Character Recognition (OCR) process. The proposed model starts with checking the query word through two … Cited by 1 Related articles

Query Expansion for Survey Question Retrieval in the Social Sciences N Dulisch, AO Kempf, P Schaer – … Conference on Theory and Practice of …, 2015 – Springer Abstract In recent years, the importance of research data and the need to archive and to share it in the scientific community have increased enormously. This introduces a whole new set of challenges for digital libraries. In the social sciences typical research data sets … Related articles All 4 versions

Finding Similar Patents through Semantic Query Expansion P Sharma, R Tripathi, RC Tripathi – Procedia Computer Science, 2015 – Elsevier Abstract Patent search is a complex task and involves a great level of expertise. Through this research we have tried to find similar patents by expanding the user query semantically. The main purpose of this research is to investigate how the patent retrieval system can be … Related articles All 2 versions

Evaluation of Manual Query Expansion Rules on a Domain Specific FAQ Collection M Karan, J Šnajder – International Conference of the Cross-Language …, 2015 – Springer Abstract Frequently asked question (FAQ) knowledge bases are a convenient way to organize domain specific information. However, FAQ retrieval is challenging because the documents are short and the vocabulary is domain specific, giving rise to the lexical gap … Related articles All 2 versions

A Real-Time Eye Tracking Based Query Expansion Approach via Latent Topic Modeling Y Chen, P Zhang, D Song, B Wang – … of the 24th ACM International on …, 2015 – dl.acm.org Abstract Formulating and reformulating reliable textual queries have been recognized as a challenging task in Information Retrieval (IR), even for experienced users. Most existing query expansion methods, especially those based on implicit relevance feedback, utilize … Related articles All 9 versions

Integration of recursive structure of hopfield and ontologies for query expansion A Noroozi, R Malekzadeh – Artificial Intelligence and Signal …, 2015 – ieeexplore.ieee.org Abstract—One of the ways to enhance the information retrieval performance is query expansion (QE) which means adding some terms to the query in order to reduce mismatch between information needs and retrieved documents. In this way “Query Drift” occurring … Cited by 1 Related articles

Knowledge-Based Query Expansion in Real-Time Microblog Search C Lv, R Qiang, F Fan, J Yang – Asia Information Retrieval Symposium, 2015 – Springer Abstract Since the length of microblog texts, such as tweets, is strictly limited to 140 characters, traditional Information Retrieval techniques usually suffer severely from the vocabulary mismatch problem such that they cannot yield good performance in the context … Related articles All 3 versions

Query-biased summary generation assisted by query expansion L Leal Bando, F Scholer… – Journal of the Association …, 2015 – Wiley Online Library Query-biased summaries help users to identify which items returned by a search system should be read in full. In this article, we study the generation of querybiased summaries as a sentence ranking approach, and methods to evaluate their effectiveness. Using sentence- … Related articles All 6 versions

A Study on Retrieval Models and Query Expansion using PRF R Vaidyanathan, S Das, N Srivastava – ijser.org Abstract—This article compares the state of the art retrieval models and reports how query expansion enhances the retrieval effectiveness. Five state-of-the-art retrieval models (parametric and non-parametric), three Query expansion Techniques Bo1, Bo2 and KL … Related articles All 4 versions

Interacting User Target For Image Search Using Visual Query Expansion S Murugesan, S Natesan – European Journal of Computer Science …, 2015 – eajournals.org ABSTRACT: Web-scale image search engines (eg Google Image Search, Bing Image Search) mostly rely on surrounding text features. It is difficult for them to interpret users’ search intention only by query keywords and this leads to ambiguous and noisy search … Related articles

Improving relevance feedback-based query expansion by the use of a weighted word pairs approach F Colace, M De Santo, L Greco… – Journal of the …, 2015 – Wiley Online Library In this article, the use of a new term extraction method for query expansion (QE) in text retrieval is investigated. The new method expands the initial query with a structured representation made of weighted word pairs (WWP) extracted from a set of training … Related articles All 9 versions

Can the use of types and query expansion help improve large-scale code search? OAL Lemos, AC de Paula, H Sajnani… – Source Code Analysis …, 2015 – ieeexplore.ieee.org Abstract—With the open source code movement, code search with the intent of reuse has become increasingly popular. So much so that researchers have been calling it the new facet of software reuse. Although code search differs from general-purpose document … Related articles All 2 versions

Efficient Search Result Diversification via Query Expansion Using Knowledge Bases R Rubien, H Ziak, R Kern – 2015 26th International Workshop …, 2015 – ieeexplore.ieee.org Abstract—Underspecified search queries can be performed via result list diversification approaches, which are often computationally complex and require longer response times. In this paper, we explore an alternative, and more efficient way to diversify the result list … Related articles All 3 versions

Wikipedia based Query Expansion for Searching in Norwegian LPT Johnsen – 2015 – bora.uib.no With the rapid increase of information available on the Internet, searching is becoming a daily operation. This thesis address the issue that arises when there is a difference between what the users are typing in the search engine, and what they actually are interested in. … Related articles All 3 versions

Query Expansion Using Pseudo Relevance Feedback on Wikipedia F Ensan, E Bagheri – profdoc.um.ac.ir ABSTRACT One of the major challenges in Web search pertains to the correct interpretation of users’ intent. Query Expansion is one of the well-known approaches for determining the intent of the user by addressing the vocabulary mismatch problem. A limitation of the … Related articles

Semantic based Query Expansion for Arabic Question Answering Systems H Al-Chalabi, S Ray, K Shaalan – 2015 First International …, 2015 – ieeexplore.ieee.org Abstract—Question Answering Systems have emerged as a good alternative to search engines where they produce the desired information in a very precise way in the real time. However, one serious concern with the Question Answering system is that despite having … Related articles All 3 versions

A survey of query expansion, query suggestion and query refinement techniques J Ooi, X Ma, H Qin, SC Liew – Software Engineering and …, 2015 – ieeexplore.ieee.org Abstract—The ineffectiveness of information retrieval systems often caused by the inaccurate use of keywords in a query. In order to solve the ineffectiveness problem in information retrieval systems, many solutions have been proposed over the years. The … Cited by 1 Related articles All 2 versions

Evaluating Geographical Knowledge Re-Ranking, Linguistic Processing and Query Expansion Techniques for Geographical Information Retrieval D Ferrés, H Rodríguez – … Symposium on String Processing and Information …, 2015 – Springer Abstract This paper describes and evaluates the use of Geographical Knowledge Re- Ranking, Linguistic Processing, and Query Expansion techniques to improve Geographical Information Retrieval effectiveness. Geographical Knowledge Re-Ranking is performed … Cited by 1 Related articles All 2 versions

A Distributed Representation Based Query Expansion Approach for Image Captioning (Supplementary Material) S Yagcioglu, E Erdem, A Erdem, R Cak?c? – anthology.aclweb.org In Figure 1, we present more example results obtained with our approach on the benchmark datasets Flickr8K (Hodosh et al., 2013), Flickr30K (Young et al., 201 4), MS COCO (Lin et al., 201 4). We also provide groundtruth human descriptions for comparison. There are some … Related articles All 5 versions

An Information Retrieval Model using Query Expansion based on Ontologies in the Computer Science Domain BGC Chávez, A Melgar – researchgate.net Abstract—This paper presents a model that aims to support knowledge retrieval stored in digital repositories through domain ontologies. In this model the ontology contains concepts and relationships which describe a specific part of the world. The model mechanisms aim … Related articles All 3 versions

EXOS: Expansion on session for enhancing effectiveness of query auto-completion FH Su, M Somaiya, S Mishra… – Big Data (Big Data), …, 2015 – ieeexplore.ieee.org … The core mechanism of EXOS lies at the intersection of Context Awareness and Query Expansion, which will be discussed in the next category. … Query expansion extracts key tokens from feedback provided by a user to expand the current query. … Related articles All 2 versions