204 search results - page 38 / 41 » Containment of Conjunctive Queries with Negation: Algorithms... |
BIOCOMP
2007
13 years 9 months ago
2007
Low-Complexity Regions (LCRs) of biological sequences are the main source of false positives in similarity searches for biological sequence databases. We consider the problem of ï...
DASFAA
2010
IEEE
13 years 5 months ago
2010
IEEE
Keyword search is widely recognized as a convenient way to retrieve information from XML data. In order to precisely meet users' search concerns, we study how to effectively r...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
SIGMOD
2010
ACM
14 years 16 days ago
2010
ACM
Providing scalable database services is an essential requirement for extending many existing applications of the Cloud platform. Due to the diversity of applications, database ser...
DAGSTUHL
2006
13 years 9 months ago
2006
Our cultural heritage, as preserved in libraries, archives and museums, is made up of documents written many centuries ago. Largescale digitization initiatives make these documents...