1248 search results - page 133 / 250 » Querying and Updating the File |
SIGMOD
2009
ACM
14 years 4 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
SIGMOD
2012
ACM
12 years 17 days ago
2012
ACM
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
Recent interests on XML, Semantic Web, and Web ontology, among other topics, have sparked a renewed interest on graph-structured databases. A fundamental query on graphs is the re...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
SIGMOD
2003
ACM
14 years 10 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...