2034 search results - page 381 / 407 » Substring Selectivity Estimation |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
When a database query has a large number of results, the user can only be shown one page of results at a time. One popular approach is to rank results such that the "best&quo...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
EDBT
2004
ACM
14 years 8 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
PERCOM
2008
ACM
14 years 8 months ago
2008
ACM
Existing code update protocols for reprogramming nodes in a sensor network are either unsuitable or inefficient when used in a mobile environment. The prohibitive factor of uncert...