204 search results - page 15 / 41 » Containment of Conjunctive Queries with Negation: Algorithms... |
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Accurately and effectively detecting the locations where search queries are truly about has huge potential impact on increasing search relevance. In this paper, we define a search...
MM
2003
ACM
14 years 1 months ago
2003
ACM
Effective use of multimedia collections requires efficient and intuitive methods of searching and browsing. This work considers databases which store music and explores how these...
TALG
2010
13 years 6 months ago
2010
Fractional hypertree width is a hypergraph measure similar to tree width and hypertree width. Its algorithmic importance comes from the fact that, as shown in previous work [14], ...
VLDB
2011
ACM
13 years 2 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
WISE
2006
Springer
14 years 1 months ago
2006
Springer
Filtering queries are widely used in data stream applications. As more and more filtering queries are registered in high-speed data stream management system, the processing efficie...