127 search results - page 8 / 26 » Conjunctive Query Containment under Access Limitations |
NGC
2000
Springer
14 years 9 months ago
2000
Springer
With the increasing popularity of the WWW, the main challenge in computer science has become content-based retrieval of multimedia objects. Access to multimedia objects in database...
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CIDR
2011
14 years 1 months ago
2011
Structured query language (SQL) is a classical way to access relational databases. Although SQL is powerful to query relational databases, it is rather hard for inexperienced user...
APWEB
2010
Springer
15 years 2 months ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
CIKM
2001
Springer
15 years 2 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
SPAA
2009
ACM
15 years 10 months ago
2009
ACM
Hash tables are one of the most fundamental data structures in computer science, in both theory and practice. They are especially useful in external memory, where their query perf...