1587 search results - page 198 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
183
click to vote
WWW
2010
ACM
16 years 1 months ago
2010
ACM
The World-Wide Web consists not only of a huge number of unstructured texts, but also a vast amount of valuable structured data. Web tables [2] are a typical type of structured in...
196
click to vote
GIS
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
184
click to vote
KDD
2009
ACM
16 years 1 months ago
2009
ACM
Many applications in surveillance, monitoring, scientific discovery, and data cleaning require the identification of anomalies. Although many methods have been developed to iden...
180
click to vote
KDD
2009
ACM
16 years 1 months ago
2009
ACM
Merchants selling products on the Web often ask their customers to share their opinions and hands-on experiences on products they have purchased. Unfortunately, reading through al...
155
click to vote
CIKM
2009
Springer
16 years 28 days ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...