685 search results - page 30 / 137 » Efficient Filtering Query Indexing in Data Stream |
TKDE
2002
13 years 8 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
In many applications that track and analyze spatiotemporal data, movements obey periodic patterns; the objects follow the same routes (approximately) over regular time intervals. ...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
IAJIT
2008
13 years 8 months ago
2008
: Information retrieval tries to identify relevant documents for an information need. The problems that an IR system should deal with include document indexing (which tries to extr...