Web search engines help users find useful information on the WWW. However, when the same query is submitted by different users, typical search engines return the same result regar...
: This is the first year our lab to participate in Trec. We participate in Mixed-Query task for the Web track. All the runs we submitted are based on the modified Okapi weighting s...
In advertising and content relevancy prediction it is important to understand whether, over time, information that reaches one demographic group spreads to others. In this paper w...
Document similarity search (i.e. query by example) aims to retrieve a ranked list of documents similar to a query document in a text corpus or on the Web. Most existing approaches...
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
Xuemin Lin, Yidong Yuan, Wei Wang 0011, Hongjun Lu