1890 search results - page 289 / 378 » Querying Big Data by Accessing Small Data |
WSDM
2010
ACM
15 years 8 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
WWW
2005
ACM
15 years 11 months ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
Database selection is an important step when searching over large numbers of distributed text databases. The database selection task relies on statistical summaries of the databas...
ICDE
2006
IEEE
15 years 5 months ago
2006
IEEE
We consider the problem of wide-area large-scale text search over a peer-to-peer infrastructure. A wide-area search infrastructure with billions of documents and millions of searc...
CSE
2009
IEEE
15 years 6 months ago
2009
IEEE
Recent research identifies a growing privacy problem that exists within Online Social Networks (OSNs). Several studies have shown how easily strangers can extract personal data a...