In recent years, different types of review systems have been developed with the
recommender system (RS). RSs are developed based on user textual reviews, ratings, and …

Question classification is a key point in many applications, such as Question Answering (QA,
eg, Yahoo! Answers), Information Retrieval (IR, eg, Google search engine), and E-learning …

The structure of a document contains rich information such as logical relations in context,
hierarchy, affiliation, dependence, and applicability. It will greatly affect the accuracy of …

In the field of modern information technology, how to find information quickly, accurately and
comprehensively that users really needed has become the focus of research in this field. In …

Contextual advertising provides advertisers with the opportunity to target the context which is
most relevant to their ads. However, its power cannot be fully utilized unless we can target …

The number of scientific papers has been increasing ever more rapidly. Researchers have
to spend a lot of time classifying papers relevant to their study, especially into fine-grained …

The recent advancements in computer science and technology additionally lead to the
generation of a prodigious amount of documents in digital form which are perpetually …

Traditional techniques of document clustering do not consider the semantic relationships
between words when assigning documents to clusters. For instance, if two documents …

When researchers or students entering a new research field in computer science, they
desire to know who the top scientists are and what the best papers are in this field, then they …

The traditional text representation methods have been successfully applied to normal-length
documents in many applications. However, these methods may worsen the performance of …