What interactive Q&A platforms are there on the Internet?

With the gradual maturity of the second generation Internet, the interactive communication platform for netizens is becoming more and more popular. Common question-and-answer platforms, such as Baidu Know, Sina Love Ask, Soso Ask, and Yahoo Knowledge Hall, have gradually emerged and become popular. From the customer service of enterprises to the construction of industry expert knowledge base, the professional question-answering platform has gradually reflected the value of interactive question-answering platform. Such websites provide a communication platform for users, and everyone can get help from experts and other netizens. Interactive question answering platform is a website that should integrate automatic word segmentation, intelligent retrieval and automatic classification. I feel that the general forum format has changed. With the popularity of the Internet, people need interactive question-and-answer platforms in professional fields to acquire professional knowledge such as medical care, automobile and education.

Interactive question answering platform generally integrates a set of natural language processing and information retrieval technologies such as automatic word segmentation, intelligent search and automatic classification. Some specialized Q&A platforms also provide functional modules such as adding sensitive words filtering (automatically filtering sensitive words related to pornography and politics) and public opinion monitoring.

The interactive Q&A platform system can be divided into four parts: (1) Web page preprocessing part. Extract the text of all web pages to obtain the title text of the web page and the link text information of other web pages pointing to the web page. (2) Index part. Segmentation and indexing of all text information. (3) Query processing part. Realize the query input structure of topic set. (4) the retrieval part. The retrieval results can be extracted, classified and post-processed.

The interactive question-and-answer platform can be used in the construction of industry knowledge base, vertical domain expert system, question-and-answer section of industry exchange website, doctor-patient communication in medical field, teacher-student communication in education field and so on.

At present, the most mainstream interactive Q&A platforms are: Zhihu, Zhihu, sogou, Wukong, Tianya and so on.