Web Feed & Dialog Systems – Meta-Guide.com

Notes:

A web feed is a format used to distribute content on the internet, such as news articles or blog posts. The most common type of web feed is RSS (Really Simple Syndication), which allows users to subscribe to updates from multiple websites in one place, such as a news reader application. Other types of web feeds include Atom and RDF.

XML (eXtensible Markup Language) was commonly used as the format for web feeds because it is a flexible and widely-supported format for encoding structured data. However, JSON (JavaScript Object Notation) has become increasingly popular in recent years as a lightweight alternative to XML.

One of the main reasons for this shift is that JSON is less verbose and easier to read than XML, making it more suitable for use in web applications. Additionally, JSON is native to JavaScript, the programming language used for creating many web applications, which means that it can be parsed more easily and with less overhead than XML. Furthermore JSON is more common in modern web APIs and it’s easier to parse and generate JSON than XML.

JSON web feeds can be used with dialog systems in a number of ways. One common use case is to retrieve data from a web feed and use it to generate responses in a chatbot or virtual assistant. For example, a news chatbot could retrieve the latest headlines from a news web feed in JSON format, and then use that data to generate responses to user queries about the news.

Another way to use JSON web feeds with dialog systems is to use the data from the feed to inform the behavior of the dialog system. For example, a weather chatbot could retrieve weather data from a web feed in JSON format and use that data to determine how to respond to user queries about the weather.

Additionally, JSON web feeds can be used to update the knowledge base of a dialog system. For example, a Q&A chatbot could retrieve new questions and answers from a web feed in JSON format and use that data to improve its ability to answer user queries.

Web feeds are a way of distributing data as a series of “feed items” that can be retrieved periodically by a client. These feed items can be thought of as a snapshot of the data at a specific point in time. A client can request the feed at a specific time, and receive the data that was available at that time.

Streaming, on the other hand, is a method of delivering data in real-time. Instead of receiving a snapshot of the data at a specific point in time, a client receives the data as it is produced. This allows the client to receive updates in near real-time, and can be useful for applications such as live news updates, live sports updates, live stock prices, etc. JSON is commonly used for streaming data because it is a lightweight and easy-to-parse format that can be used to transmit data in real-time.

One way that JSON is used for streaming is through the use of server-sent events (SSE). SSE is a web technology that allows a server to push updates to a client in real-time over a single HTTP connection. The server sends updates as a series of JSON-encoded messages, which the client can receive and parse in real-time.

Another way that JSON is used for streaming is through the use of WebSockets. WebSockets is a web technology that allows for real-time bidirectional communication between a client and a server. The client and server can send and receive messages in JSON format over a single WebSocket connection.

JSON can also be used with other streaming protocols like MQTT and STOMP, which are used for IoT and messaging applications.

Wikipedia:

References:

Training a Cognitive Agent to Acquire and Represent Knowledge from RSS feeds onto Conceptual Graphs (2014)
Using Concept Maps and Fuzzy Set Information Retrieval Model to Dynamically Personalize RSS Feeds (2014)