PowerAnswer Question Answering System

Notes:

PowerAnswer is a natural language processing (NLP) system that is designed to provide answers to user queries in a way that is fast, accurate, and easy to understand. It is based on a proprietary NLP technology that is designed to understand and interpret human language, and to provide relevant and accurate answers to user queries.

PowerAnswer is often used in a variety of applications, including customer service, knowledge management, and information retrieval. It is designed to be able to handle a wide range of queries and topics, and can provide answers to questions about a variety of subjects, including general knowledge, technical information, and specific domain knowledge.

PowerAnswer is typically accessed through a user interface, such as a website or mobile app, and users can submit queries by typing or speaking their questions. The system then processes the query and provides an answer in a variety of formats, including text, audio, or video.

A Temporally-Enhanced PowerAnswer in TREC 2006. DI Moldovan, M Bowden, M Tatu – TREC, 2006 – trec.nist.gov Abstract This paper reports on Language Computer Corporation’s participation in the Question Answering track at TREC 2006. An overview of the PowerAnswer 3 question answering system and a description of new features added to meet the challenges of this … Cited by 32 Related articles All 2 versions

Lymba’s PowerAnswer 4 in TREC 2007. DI Moldovan, C Clark, M Bowden – TREC, 2007 – trec.nist.gov Abstract This paper reports on Lymba Corporation’s (a spinoff of Language Computer Corporation) participation in the TREC 2007 Question Answering track. An overview of the Power-Answer 4 question answering system and a discussion of new features added to … Cited by 26 Related articles All 5 versions

LCC’s poweranswer at QA@ CLEF 2006 M Bowden, M Olteanu, P Suriyentrakor, J Clark… – … of Multilingual and Multi …, 2007 – Springer Abstract This paper reports on Language Computer Corporation’s first QA@ CLEF participation. For this exercise, LCC integrated its open-domain PowerAnswer Question Answering system with its statistical Machine Translation engine. For 2006, LCC … Cited by 13 Related articles All 10 versions

Multilingual question answering through intermediate translation: Lcc’s poweranswer at qa@ clef 2007 M Bowden, M Olteanu, P Suriyentrakorn… – Advances in Multilingual …, 2008 – Springer Abstract This paper reports on Language Computer Corporation’s QA@ CLEF 2007 preparation, participation and results. For this exercise, LCC integrated its open-domain PowerAnswer Question Answering system with its statistical Machine Translation engine. … Cited by 7 Related articles All 9 versions

Some Advanced Features Of Cc’s Poweranswer D Moldovan, M Pasca, M Surdeanu – Advances in Open Domain Question …, 2006 – Springer Key factors determining the accuracy and usefulness of a question answering system span across several dimensions: depth of linguistic techniques, ability to answer general or domain-specific questions, coverage of textual and other multimedia document sources, … Cited by 4 Related articles All 4 versions

Employing Two Question Answering Systems in TREC 2005. SM Harabagiu, DI Moldovan, C Clark, M Bowden… – TREC, 2005 – comminfo.rutgers.edu … To partici- pate in TREC 2005 we employed two different QA sys- tems. PowerAnswer-2 was used in the main task, whereas PALANTIR was used for the relationship questions. … We de- scribe them when we report on the PowerAnswer-2 Q/A system at TREC 2005. … Cited by 81 Related articles All 8 versions

Experiments and analysis of lcc’s two qa systems over trec 2004 D Moldovan, S Harabagiu, C Clark… – Proceedings of The …, 2004 – hlt.utdallas.edu … Abstract In 2004, LCC has participated to TREC QA with two systems; PowerAnswer 2 and PALANTIR. … These types of questions require deeper semantic knowledge of not only the question, but also the candidate passages. 2 The PowerAnswer 2 QA System … Cited by 22 Related articles All 5 versions

AnswerFinder: Question Answering from your Desktop MA Greenwood – Proceedings of the 7th Annual Colloquium for the …, 2004 – dcs.shef.ac.uk … swerFinder. The consistently best performing system at TREC (Moldovan et al., 1999; Harabagiu et al., 2000; Harabagiu et al., 2001; Moldovan et al., 2002) forms the backbone of the PowerAnswer system from Language Computer8. … Cited by 10 Related articles All 2 versions

[BOOK] Advances in open domain question answering T Strzalkowski, SM Harabagiu – 2006 – Springer … CONTENTS Contributors ix Preface xv Introduction xxiii PART 1: Approaches to Question Answering 1 D. MOLDOVAN, M. PA?CA AND M. SURDEANU SOME ADVANCED FEATURES OF LCC’S POWERANSWER 3 ABRAHAM ITTYCHERIAH AStatistical APPROACH FOR … Cited by 96 Related articles All 10 versions

Towards logic-based question answering under time constraints I Glöckner – Proc. of the 2008 IAENG Int. Conf. on Artificial …, 2008 – iaeng.org … recent years. The PowerAnswer system [6], for example, answers 60% of the factual questions in the TREC 2006 evaluation. However … answer selection. PowerAnswer is an example of a QA system which implements this approach. A … Cited by 10 Related articles All 4 versions

Loganswer-a deduction-based question answering system (system description) U Furbach, I Glöckner, H Helbig, B Pelzer – Automated Reasoning, 2008 – Springer … There are also several examples of logic- based QA systems (like PowerAnswer [2] and Senso [3]), as well as dedicated components for logical answer validation like COGEX [4] or MAVE [5]. How- ever, most of these solutions are research prototypes developed for the TREC or … Cited by 16 Related articles All 10 versions

Human Plausible Reasoning for Question Answering Systems E Darrudi, M Rahgozar, F Oroumchian – International Conference on …, 2004 – geocities.ws … QA systems at present. Indeed, a few prototypes of such intelligent QA systems exist now. Among those participated in the QA track of TREC 2002 [2], PowerAnswer [3], a logic-based QA system, ranked first. It utilized a logic … Cited by 8 Related articles All 2 versions

Semantics-based answers selection in question answering system X Sun, Q Zheng – Advances in Web-Based Learning–ICWL 2004, 2004 – Springer … list of documents. Due to the encouragement of the Text Retrieval Con- ference (TREC) [2], some QA systems, eg, PowerAnswer from Language Computer Corporation (LCC) [3], have achieved good performance. There are … Cited by 6 Related articles All 6 versions

Exploring robustness enhancements for logic-based passage filtering I Glöckner, B Pelzer – Knowledge-Based Intelligent Information and …, 2008 – Springer … related task of Recognizing Textual Entailment (RTE) that a high ac- curacy of entailment recognition can only be achieved by structure-sensitive methods like logic or graph matching [3]. And the best system in the TREC 2006 evaluation of QA systems, PowerAnswer [4], made … Cited by 9 Related articles All 4 versions

Automated Reasoning Embedded in Question Answering B Pelzer – 2013 – kola.opus.hbz-nrw.de … As its knowledge base is derived from a lexical database, it does not have the semantic depth to support complex inferences. PowerAnswer [MCHM03] is an English language QA system that is similar to LogAnswer in that it also uses Wikipedia and deduction. … Related articles All 2 versions

A spoken question answering system based on conditional knowledge N ??nd?reanu, M Colhon, C Zamfir – … on Computers: part of the 14th …, 2010 – dl.acm.org … 14), Gaithersburg, Maryland (2005). 7. D. Moldovan, M. Bowden, M. Tatu: A Temporally-Enhanced PowerAnswer in TREC 2006, In: Text Retrieval Conference (TREC-15), Gaithersburg, Maryland (2006). 8. DI Moldovan, C. Clark … Cited by 1 Related articles

Question answering with discriminative learning algorithms. J Feng – INTERSPEECH, 2006 – 20.210-193-52.unknown.qala.com. … … A massive number of knowledge-intensive approaches have been developed for QA. For instance, the LCC system, PowerAnswer, transforms questions and possible answer text into a logic representation and then builds a formal proof for valid answers [12]. … Related articles All 2 versions

Question answering at the cross-language evaluation forum 2003–2010 A Peñas, B Magnini, P Forner, R Sutcliffe… – Language resources …, 2012 – Springer … Revised selected papers). Bowden, M., Olteanu, M., Suriyentrakorn, P., d’Silva, T., & Moldovan. D. (2007). Multilingual question answering through intermediate translation: LCC’s PowerAnswer at QA@CLEF 2007. In C. Peters … Related articles All 7 versions

ReQuery LGKNS Watanabe – 2013 – courses.washington.edu Page 1. ReQuery Lisa Gress Kathryn Nichols Shannon Watanabe June 6, 2013 Page 2. Background ? Overall system architecture ? PowerAnswer-2: Harabagiu et al. (2005) ? Type taxonomy and classification ? Li and Roth (2005) ? Redundancy ? Lin (2007) Page 3. … Related articles All 2 versions

[BOOK] Probabilistic Relaxed Unification Formalism and Its Application in Question Answering T Abou-Assaleh – 2008 – tony.abou-assaleh.net … Abou?Assaleh 2002 • Head?driven Phrase Structure Grammar (HPSG) – Pollard & Sag 1994 • Question Answering (QA) – TREC 1999 – 2007 – TAC 2008 – Lymba 2007 (PowerAnswer 4) 11 © 2008 T. Abou?Assaleh Page 12. Agenda • Introduction • Related Work … All 2 versions

Multilanguage Dependency Parsing M Ciaramita, M Simi – iula.upf.edu … Concordia Accuracy Best QA Systems at TREC 2006 ? LCC PowerAnswer (58% accuracy), LCC Chaucer (54%) ? Both use NLP tools to tokenize, POS tag and syntactic parse each question Page 4. 4 Chaucer: Answer Extraction … Related articles

RACAI’s Question Answering System at QA@ CLEF2007 D Tufi?, D ?tef?nescu, R Ion, A Ceau?u – Advances in Multilingual and …, 2008 – Springer … Systems such as FALCON ([3]), COGEX ([7]), LASSO ([8]), PowerAnswer ([2,6]), LaSIE ([1]) etc.) use some form of logical representation of both question and candidate answers in order to logically prove that the selected answers can be justified in terms of the question premises … Cited by 11 Related articles All 10 versions

Important Practical Aspects of an Open-domain QA System Prototyping R Ion, D ?TEF?NESCU… – Proceedings of the …, 2008 – academiaromana.ro … 2. MOLDOVAN, D., BOWDEN, M., TATU, M., A Temporally-Enhanced PowerAnswer in TREC 2006, Proceedings of the Text Retrieval Conference (TREC-15), Gaithersburg, Maryland, 2006. 3. MOLDOVAN, D., CLARK, CH., BOWDEN … Cited by 4 Related articles All 6 versions

Constructing Semantic Knowledge Model based on Children Dictionary M Ghasemzadeh – academia.edu … Early example of Question and Answering machine was LUNAR (1977) by Woods which its main focus was on answering to questions about the moon rocks (Bharati 1995). More modern and recent cases of logic- based QA systems are PowerAnswer (2006) and Senso (2007). … Related articles All 2 versions

World Wide Web based Question Answering System-a relevance feedback framework for automatic answer validation SK Ray, S Singh, BP Joshi – Applications of Digital Information …, 2009 – ieeexplore.ieee.org … users. A number of Question Answering Systems such as START [16], AnswerBus [1], BrainBoost [3], PowerAnswer [14], Inferret [9], Yahoo Answering System [22], etc. … 494-501. [14] PowerAnswer Question Answering System, Website: http://www.languagecomputer.com … Related articles

Role of semantics in question answering D Moldovan, M Tatu, C Clark – Semantic Computing, 2010 – books.google.com … accurate answers. This chapter introduces PowerAnswer, a leading QA system developed at Lymba Corporation and identifies the use of semantics in its modules. Several semantic methods and resources are described. 19.1 … Cited by 4 Related articles All 5 versions

Answering questions about dynamic domains from natural language using ASP Y Todorova – 2011 – repositories.tdl.org … existing question-answering systems in Chapter III. In order to keep it short, we only mention four of those, namely, the LCC PowerAnswer system, Mueller’s story understanding system, the DD system (developed at Texas Tech University in the past), and the ASU QA system. … Cited by 3 Related articles All 2 versions

ASKNet: Automatically Creating Semantic Knowledge Networks from Natural Language Text B Harrington – 2009 – brianharrington.net … De Meulder, 2003], and the development of wide-coverage semantic resources such as WordNet [Fellbaum, 1998]. qa systems such as PowerAnswer [Moldovan et al., 2002] have been particularly successful at exploiting such resources, now obtaining … Cited by 2 Related articles All 2 versions

Supporting Musical Creativity with Unsupervised Syntactic Parsing. R Swanson, E Chew, AS Gordon – AAAI Spring Symposium: Creative …, 2008 – aaai.org … Many of the top-performing question answering systems in the TREC competition (Dang et al., 2006), eg PowerAnswer 3 (Moldovon et al., 2006), make use of syntactic analysis to extract deeper semantic representations that have led to significant performance leads over other … Cited by 4 Related articles All 13 versions

Open Domain Factoid Question Answering System A Patanaik – 2009 – aptnk.in Page 1. Open Domain Factoid Question Answering System By Amiya Patanaik (05EG1008) Thesis submitted in partial fulfilment of the Requirements for the degree of Bachelor of Technology (Honours) Under the supervision of Dr. Sudeshna Sarkar … Related articles

Open-domain question answering MA Greenwood – 2005 – nlp.shef.ac.uk … 105 9.1 AnswerFinder: an open-domain factoid question answering system. . . . 111 9.2 Comparison of AnswerBus, AnswerFinder, IONAUT, and PowerAnswer. . 113 12.1 Comparison of step 1 filtering approaches, word overlap and cosine simi- larity. . . . . … Cited by 10 Related articles All 7 versions

Using Logic Proofs to justify answers in Open-Domain Question-Answering system N UzZaman – cs.rochester.edu … The QA system, named as PowerAnswer, has three main parts: question processing, document retrieval and answer extraction. Each of these three parts has smaller modules that work collectively to generate the answers for a given question. … Related articles All 11 versions

Question Answering by Searching Large Corpora With Linguistic Methods. M Kaisser, T Becker – TREC, 2004 – trec.nist.gov … There are three systems we want to mention here which actually parse candidate sentences and make use of this information, although in quite different ways: • LCC’s PowerAnswer system which incorporates a Logic Prover named Cogex to filter out incor- rect answers. … Cited by 28 Related articles All 5 versions

AliQAn, Spanish QA system at multilingual QA@ CLEF-2008 M Puchol Blasco, M Pardiño Juan, JM Gómez Soriano… – 2008 – rua.ua.es … References [1] Mitchell Bowden, Marian Olteanu, Pasin Suriyentrakorn, Thomas d’Silva, and Dan Moldovan. Multilingual question answering through intermediate translation: Lcc’s poweranswer at qa@clef 2007. In Working Notes for the CLEF 2007 Workshop, 2007. … Related articles All 5 versions

[BOOK] Evaluation of Multilingual and Multi-modal Information Retrieval: 7th Workshop of the Cross-Language Evaluation Forum, CLEF 2006, Alicante, Spain, … C Peters, P Clough, FC Gey, J Karlgren, B Magnini – 2007 – books.google.com … Language Environment….. 300 Adan Cassan, Helena Figueira, Andre Martins, Afonso Mendes, Pedro Mendes, Claudia Pinto, and Daniel Vidal LCC’s PowerAnswer at QA@ CLEF 2006….. 310 … Cited by 15 Related articles All 9 versions

Question Classification Transfer. AL Ligozat – ACL (2), 2013 – aclweb.org … In Working Notes of the Cross Language Evaluation Forum. M. Bowden, M. Olteanu, P. Suriyentrakorn, T. d´Silva, and D. Moldovan. 2008. Multilingual question answering through intermediate translation: Lcc´s poweranswer at qa@clef 2007. Advances in Mul- 432 Page 5. … Cited by 2 Related articles All 4 versions

[BOOK] Advances in Multilingual and Multimodal Information Retrieval: 8th Workshop of the Cross-Language Evaluation Forum, CLEF 2007, Budapest, Hungary, … C Peters – 2008 – books.google.com … Validation….. 269 Sven Hartrumpf, Ingo Glockner, and Johannes Leveling Multilingual Question Answering through Intermediate Translation: LCC’s PowerAnswer at QA@ CLEF 2007….. … Cited by 8 Related articles All 4 versions

INFO4990 Research Methods K Bell – 2008 – cs.usyd.edu.au … al. [2005]. Their system, PowerAnswer-2, initially uses the document collection and finds a set of possible answers, it then uses answers obtained from the web to assist in the ranking and selection of those answers. This technique … All 6 versions

VENSES GetAsk: a System for Hybrid Question Answering And Answer Recovery using Text Entailment R Delmonte – project.cgm.unive.it … below. The first one is presented in Dan Moldovan et al. and is the LCC system called PowerAnswer. As the authors comment, it obtained a confidence weighted score of 0.85% on a dataset of 500 questions at TREC QA 2002. … Related articles All 3 versions

The second pascal recognising textual entailment challenge R Bar Haim, I Dagan, B Dolan, L Ferro, D Giampiccolo… – 2006 – eprints.pascal-network.org … University. http://answerbus.coli.uni-sb.de/ • PowerAnswer question answering system, from Language Computer Corporation, pro- vided by Dan Moldovan, Abraham Fowler, Christine Clark, Arthur Dexter and Justin Larrabee. http … Cited by 209 Related articles All 11 versions

A Java implementation of a Question Answering System based on Conditional Knowledge in client-server technology C ZAMFIR – wseas.us … 14),Gaithersburg, Maryland (2005) 12. D.Moldovan, M.Bowden, M.Tatu, A Temporally- Enhanced PowerAnswer in TREC 2006, In: Text Retrieval Conference (TREC-15), Gaithersburg, Maryland (2006) 13. DIMoldovan, C.Clark … Related articles

The third pascal recognizing textual entailment challenge D Giampiccolo, B Magnini, I Dagan… – Proceedings of the ACL- …, 2007 – dl.acm.org Page 1. Proceedings of the Workshop on Textual Entailment and Paraphrasing, pages 1–9, Prague, June 2007. cO2007 Association for Computational Linguistics The Third PASCAL Recognizing Textual Entailment Challenge … Cited by 228 Related articles All 19 versions

A syntactic candidate ranking method for answering non-copulative questions A Keighobadi-Lamjiri – 2007 – spectrum.library.concordia.ca Page 1. A SYNTACTIC CANDIDATE RANKING METHOD FOR ANSWERING NON-COPULATIVE QUESTIONS ABOLFAZL KEIGHOBADI LAMJIRI A THESIS IN THE DEPARTMENT OF COMPUTER SCIENCE AND SOFTWARE … Cited by 1 Related articles All 3 versions

Exploiting Wikipedia and EuroWordNet to solve cross-lingual question answering S Ferrández, A Toral, Ó Ferrández, A Ferrández… – Information …, 2009 – Elsevier This paper describes a new advance in solving Cross-Lingual Question Answering (CL–QA) tasks. It is built on three main pillars: (i) the use of several multil. Cited by 16 Related articles All 4 versions

Question answering using document tagging and question classification S Dubien – 2005 – uleth.ca … They use the logical form to determine whether the logical form of a possible answer follows from the logical form of the question. PowerAnswer 2 (Moldovan et al., 2004) is a QA system that uses logi cal proving. Their method is outlined in Moldovan et al. (2002). The algorithm … Cited by 3 Related articles All 3 versions

Synergist: Collaborative Analyst Assistant M Srikanth, M Tatu, A Badulescu, G Bailey, M Olteanu… – 2009 – DTIC Document Page 1. AFRL-RI-RS-TR-2009-122 Final Technical Report April 2009 SYNERGIST: COLLABORATIVE ANALYST ASSISTANT Lymba Corporation APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED. STINFO COPY … Related articles

Improving Retrieval of Information from the Internet R Zhao – 2013 – scholar.uwindsor.ca Page 1. University of Windsor Scholarship at UWindsor Electronic Theses and Dissertations 1-1-2013 Improving Retrieval of Information from the Internet Ruoxuan Zhao zhao11t@uwindsor. ca Follow this and additional works at: http://scholar.uwindsor.ca/etd … Related articles

The negative effect of machine translation on cross–lingual question answering S Ferrández, A Ferrández – Computational Linguistics and Intelligent Text …, 2007 – Springer … References 1. M. Bowden, M. Olteanu, P. Suriyentrakorn, J. Clark, and D. Moldovan. LCC’s PowerAnswer at QA@CLEF 2006. In Workshop of Cross-Language Evaluation Forum (CLEF), September 2006. 2. S. Ferrández, A. Ferrández, S. Roger, P. López-Moreno, and J. Peral. … Cited by 8 Related articles All 8 versions

University of Wolverhampton at CLEF 2007 G Pu?ca?u, C Or?san – Advances in Multilingual and Multimodal …, 2008 – Springer … References 1. Bos, J., Nissim, M.: Cross-Lingual Question Answering by Answer Translation. In: Working Notes for the CLEF 2006 Workshop (2006) 2. Bowden, M., Olteanu, M., Suriyentrakorn, P., Clark, J., Moldovan, D.: LCC’s PowerAnswer at QA@CLEF 2006. … Cited by 5 Related articles All 10 versions

Language modeling approaches to question answering P Banerjee – 2009 – idea.library.drexel.edu Page 1. Language Modeling Approaches to Question Answering A Dissertation Submitted to the Faculty of Drexel University by Protima Banerjee in partial fulfillment of the requirements for the degree of Doctor of Philosophy July 2009 Page 2. … Cited by 1 Related articles All 5 versions

Combining theorem proving with natural language processing B Pelzer, I Glöckner – Proc. of the First Int. Workshop on …, 2008 – informatik.rwth-aachen.de … Page 89. SIGIR Conference on Research and Development in Information Retrieval, New York, NY, ACM Press (2000) 184–191 2. Moldovan, D., Bowden, M., Tatu, M.: A temporally-enhanced PowerAnswer in TREC 2006. In: Proc. … Cited by 4 Related articles All 8 versions

A Spoken Question Answering System Based on Conditional Knowledge NT AREANU, M COLHON, C ZAMFIR – wseas.us … A Temporally-Enhanced PowerAnswer in TREC 2006, In: Text Retrieval Conference (TREC-15), Gaithersburg, Maryland (2006) [8] DIMoldovan, C.Clark, SMHarabagiu, D.Hodges:- COGEX: A semantically and contextually enriched logic prover for question answering. … Related articles All 2 versions

Simple or Complex? Classifying the Question by the Answer Complexity YCSA Hasan – 24th International Conference on Computational …, 2012 – kde.cs.tut.ac.jp … Manning, CD and Schutze, H.(2000). Foundations of Statistical Natural Language Processing. The MIT Press. Moldovan, D., Clark, C., and Bowden, M.(2007). Lymba’s PowerAnswer 4 in TREC 2007. In TREC. Moldovan, D., Pasca, M., Harabagiu, S., and Surdeanu, M.(2003). … Related articles All 7 versions

Question answering with lexical chains propagating verb arguments A Novischi, D Moldovan – … of the 21st International Conference on …, 2006 – dl.acm.org Page 1. Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 897–904, Sydney, July 2006. cO2006 Association for Computational Linguistics Question Answering … Cited by 24 Related articles All 7 versions

Knowledge representation and question answering M Balduccini, C Baral, Y Lierler – Handbook of knowledge …, 2008 – dai.fmph.uniba.sk … The approach for the mapping of English text into LLF has been used, for example, in the LCC QA system PowerAnswer [1, 20]. In the next section, we turn our attention to the reasoning task, and briefly describe the reasoning component of the LCC QA system. … Cited by 14 Related articles All 22 versions

An Empirical Comparative Study of Manual Rule-Based and Statistical Question Classifiers on Heterogeneous Unseen Data CW Lee, MY Day, WL Hsu – Information Retrieval Technology, 2010 – Springer … In: Proceedings of NTCIR-6 Workshop, Tokyo, Japan, pp. 175–181 (2007) 7. Laurent, D., Séguéla, P., Nègre, S.: Cross Lingual Question Answering using QRISTAL for CLEF 2006. In: CLEF (2006) 8. Moldovan, D., Clark, C., Bowden, M.: Lymba’s PowerAnswer 4 in TREC 2007. … Related articles All 5 versions

Processing Sentiments and Opinions in Text JP NG – comp.nus.edu.sg … In Proceedings of the interna- tional conference on World Wide Web, pages 171– 180. Dan Moldovan, Christine Clark, and Mitchell Bowden. 2007. Lymba’s poweranswer 4 in trec 2007. In Pro- ceedings of the Text Retrieval Conference. B. Pang and L. Lee. 2004. … Related articles All 4 versions

Automatic semantic analysis for NLP applications I Glückner, S Hartrumpf, H Helbig… – Zeitschrift für …, 2007 – degruyter.com … QA systems using an integrated approach include QUETAL (Frank et al. 2005), JAVELIN (Nyberg et al. 2003), COGEX (Moldovan et al. 2003), PowerAnswer (Bowden et al. 2006), START (Katz 1997), QRISTAL (Laurent et al. 2005), and TACITUS (Hobbs et al. 1993). … Cited by 4 Related articles All 2 versions

Answer extraction for simple and complex questions SR Joty – 2008 – uleth.ca … sented in a logical form. The systems use the logical form to determine whether the logical form of a possible answer follows from the logical form of the question. PowerAnswer 2 (Moldovan et al., 2004) is a QA system that uses logical proofs. Their method is outlined in … Cited by 1 Related articles All 2 versions

R/quest: A Question Answering System J Morrissey, R Zhao – Flexible Query Answering Systems, 2013 – Springer … LNCS, vol. 5706, pp. 369–376. Springer, Hei- delberg (2009) 15. Bowden, M., Olteanu, M., Suriyentrakorn, P., D’Silva, T., Moldovan, D.: Multilingual Question Answering through Intermediate Translation: Lcc’s PowerAnswer. … Related articles All 2 versions

Compositional question answering with collaborative strategies HJ Oh – 2008 – library.kaist.ac.kr Page 1. i A Dissertation for the degree of Doctor of Philosophy Compositional Question Answering with Collaborative Strategies Hyo-Jung Oh School of Engineering Information and Communications University 2008 Page 2. ii A Dissertation for the degree of Doctor of Philosophy … Cited by 3 Related articles All 2 versions

Enhancing performance with a learnable strategy for multiple question answering modules HJ Oh, SH Myaeng, MG Jang – ETRI journal, 2009 – etrij.etri.re.kr Page 1. ETRI Journal, Volume 31, Number 4, August 2009 © 2009 Hyo-Jung Oh et al. 419 A question answering (QA) system can be built using multiple QA modules that can individually serve as a QA system in and of themselves. … Cited by 10 Related articles All 7 versions

Distillation RH Florian, J Olive, C Christianson… – Handbook of Natural …, 2011 – Springer … answering process. After answer finding, as described in Section 4.4.5, a statistical process merges and re-ranks the response snippets from BBN and PowerAnswer. 4.3.2.7 Redundancy Removal and Response Generation. The goal … Related articles All 3 versions

A Method of Cross-Lingual Question-Answering Based on Machine Translation and Noun Phrase Translation using Web documents TMK TAKAHASHI – research.nii.ac.jp Page 1. Proceedings of NTCIR-6 Workshop Meeting, May 15-18, 2007, Tokyo, Japan A Method of Cross-Lingual Question-Answering Based on Machine Translation and Noun Phrase Translation using Web documents — Yokohama National University at NTCIR-6 CLQA — … Related articles All 3 versions

Natural language interfaces to conceptual models DD Damljanovic – 2011 – gate.ac.uk Page 1. Danica D. Damljanovic Natural Language Interfaces to Conceptual Models Submitted in partial fulfilment of the requirements for the degree of Doctor of Philosophy at The University of Sheffield Department of Computer Science July 2011 Page 2. Page 3. Abstract … Cited by 1 Related articles All 6 versions

Automatic discovery of manner relations and its applications E Blanco, D Moldovan – Proceedings of the 2010 Conference on …, 2010 – dl.acm.org Page 1. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, pages 315–324, MIT, Massachusetts, USA, 9-11 October 2010. cO2010 Association for Computational Linguistics Automatic … Related articles All 6 versions

Effects of answer weight boosting in strategy-driven question answering HJ Oh, SH Myaeng, MG Jang – Information Processing & Management, 2012 – Elsevier With the advances in natural language processing (NLP) techniques and the need to deliver more fine-grained information or answers than a set of documents, vari. Cited by 2 Related articles All 7 versions

Question Answering using Syntactic Patterns in a Contextual Search Engine KA Sand – 2006 – duo.uio.no … 86 3.5.2 AskMSR . . . . . 87 3.5.3 Aranea . . . . . 88 3.5.4 PowerAnswer . . . . . 92 3.5.5 Beyond factoids . . . . . 93 3.5.6 Fact mining . . . . . … Related articles

Description Logics based Formalization of Wh-Queries S Dasgupta, R KaPatel, A Padia, K Shah – arXiv preprint arXiv:1312.6948, 2013 – arxiv.org Page 1. Description Logics based Formalization of Wh-Queries Sourish Dasgupta DA-IICT, India sourish_dasgupta @daiict.ac.in Rupali KaPatel DA-IICT, India rupali.it.08 @gmail.com Ankur Padia DA-IICT, India padiaankur @gmail.com … Related articles All 2 versions

Learning to select the correct answer in multi-stream question answering A Téllez-Valero, M Montes-y-Gómez… – Information Processing …, 2011 – Elsevier Question answering (QA) is the task of automatically answering a question posed in natural language. Currently, there exists several QA approaches, and, accordi. Cited by 3 Related articles All 5 versions

A phased ranking model for question answering R Liu, E Nyberg – Proceedings of the 22nd ACM international conference …, 2013 – dl.acm.org Page 1. A Phased Ranking Model for Question Answering Rui Liu, Eric Nyberg School of Computer Science Carnegie Mellon University 5000 Forbes Avenue Pittsburgh, PA 15213 ruil@cs.cmu.edu, ehn@cs.cmu.edu ABSTRACT … Related articles

Toward Portable Information Extraction MV Tablan – 2009 – valentin.tablan.net Page 1. MV Tablan Toward Portable Information Extraction Submitted for the degree of Doctor of Philosophy 2009 Page 2. Page 3. Toward Portable Information Extraction Mihai Valentin Tablan Submitted for the degree of Doctor of Philosophy … Cited by 1 Related articles All 3 versions

Question answering using statistical language modelling MH Heie, EWD Whittaker, S Furui – Computer Speech & Language, 2012 – Elsevier In this paper we present a statistical approach to question answering (QA). Our motivation is to build robust systems for many languages without the need for hi. Cited by 5 Related articles All 6 versions

An application of automated reasoning in natural language question answering U Furbach, I Glöckner, B Pelzer – Ai Communications, 2010 – IOS Press … inferences. The commercial PowerAnswer [37] is another Eng- lish open domain QA system. It is equipped with a logical background knowledge based on Wikipedia, and it employs the COGEX theorem prover for an- swer derivation. … Cited by 25 Related articles All 4 versions

A semantic scattering model for the automatic interpretation of english genitives A Badulescu, D Moldovan – Natural Language Engineering, 2009 – Cambridge Univ Press Page 1. Natural Language Engineering 15 (2): 215–239. c 2008 Cambridge University Press doi:10.1017/S1351324908004798 Printed in the United Kingdom 215 A Semantic Scattering model for the automatic interpretation of English genitives … Cited by 5 Related articles All 3 versions

DiaSys–A dialogue system based on Conditional Knowledge in client-server technology C Zamfir – universitypress.org.uk … D.Moldovan, C.Clark, M.Bowden, A.Hickl, P.Wang, Employing Two Question Answering Systems in TREC-2005, In: Text Retrieval Conference (TREC-14),Gaithersburg, Maryland (2005) [21] D.Moldovan, M.Bowden, M.Tatu, A Temporally-Enhanced PowerAnswer in TREC 2006 … Related articles All 6 versions

DiaSys-A Dialogue System based on Conditional Knowledge C Zamfir – Annals of the University of Craiova-Mathematics and …, 2010 – inf.ucv.ro … MAYA: a fast Question-answering system based on a predictive answer indexer, Proceedings of the workshop on Open-domain question answering 12 (2001), Toulouse, France, 1–8. [10] D. Moldovan, M. Bowden and M. Tatu, A Temporally-Enhanced PowerAnswer in TREC … Cited by 1 Related articles All 2 versions

Question generation from concept maps AM Olney, AC Graesser, NK Person – Dialogue & Discourse, 2012 – elanguage.net Page 1. Dialogue and Discourse 3(2) (2012) 75–99 doi: 0.5087/dad.2012.204 Question Generation from Concept Maps Andrew M. Olney aolney@memphis.edu Arthur C. Graesser a-graesser@memphis.edu Institute for Intelligent … Cited by 7 Related articles All 4 versions

Arabic Question Answering: Systems, Resources, Tools, and Future Trends M Shaheen, AM Ezzeldin – Arabian Journal for Science and Engineering, 2014 – Springer Page 1. Arab J Sci Eng DOI 10.1007/s13369-014-1062-2 REVIEW ARTICLE – COMPUTER ENGINEERING AND COMPUTER SCIENCE Arabic Question Answering: Systems, Resources, Tools, and Future Trends Mohamed Shaheen · Ahmed Magdy Ezzeldin … Cited by 1 Related articles

An Unsupervised Model of Redundancy for Answer Validation WU Youzheng, H Kashioka… – IEICE transactions on …, 2010 – search.ieice.org Page 1. 624 IEICE TRANS. INF. & SYST., VOL.E93–D, NO.3 MARCH 2010 PAPER An Unsupervised Model of Redundancy for Answer Validation Youzheng WU †a) , Hideki KASHIOKA †b) , Nonmembers, and Satoshi NAKAMURA †c) , Member … Related articles All 4 versions

Formal Ontology Learning on Factual IS-A Corpus in English using Description Logics S Dasgupta, A Padia, K Shah, P Majumder – arXiv preprint arXiv: …, 2013 – arxiv.org Page 1. arXiv:1312.6947v1 [cs.CL] 25 Dec 2013 Formal Ontology Learning on Factual “IS-A” Corpus in English using Description Logic Sourish Dasguptaa, Ankur Padiab, Kushal Shahc, Prasenjit Majumderd asourish dasgupta … Related articles All 2 versions

Sibyl, a factoid question-answering system for spoken documents PR Comas, J Turmo, L Màrquez – ACM Transactions on Information …, 2012 – dl.acm.org Page 1. 19 Sibyl, a Factoid Question-Answering System for Spoken Documents PERE R. COMAS, JORDI TURMO, and LLUÍS M `ARQUEZ, TALP Research Center, Technical University of Catalonia In this article, we present … Cited by 3 Related articles All 3 versions