With the ever increasing size of the web, relevant information extraction on the Internet with
a query formed by a few keywords has become a big challenge. Query Expansion (QE) …

The relative ineffectiveness of information retrieval systems is largely caused by the
inaccuracy with which a query formed by a few keywords models the actual user information …

基于矩阵加权关联规则挖掘的伪相关反馈查询扩展 Page 1 ISSN 1000-9825, CODEN RUXUEW
E-mail: jos@iscas.ac.cn Journal of Software, Vol.20, No.7, July 2009, pp.1854−1865 …

Developing personalised web‐based learning systems has been an important research
issue in e‐learning because no fixed learning pathway will be appropriate for all learners …

Feature vectors are extracted to represent objects in many classification tasks, such as text
classification. Due to the high dimensionality of these raw feature vectors, the classification …

With the advent of cloud computing, more and more information data are outsourced to the
public cloud for economic savings and ease of access. However, the privacy information has …

Conventional approaches to query expansion (QE) rely on the integration of an unstructured
corpus and probabilistic rules for the extraction of candidate expansion terms. These …

Background Because of the increasing number of electronic resources, designing efficient
tools to retrieve and exploit them is a major challenge. Some improvements have been …

Top-k words selection is a technique used to detect and return the k most similar words to a
given word from a candidate set. This is a crucial and widely used tool in various tasks. The …

Twitter has emerged as the most popular among microblogging service providers. The
content provided in Twitter is large, diverse, and huge in quantity. Given the increasing …