685 search results - page 3 / 137 » Efficient Filtering Query Indexing in Data Stream |
DASFAA
2004
IEEE
13 years 8 months ago
2004
IEEE
For event filtering of publish/subscribe system, significant research efforts have been dedicated to techniques based on multiple one-dimensional indexes built on attributes of sub...
SIGMOD
2008
ACM
13 years 4 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
DASFAA
2007
IEEE
13 years 8 months ago
2007
IEEE
Abstract. We have defined an XML structural index called the Structure Index Tree (SIT), which eliminates duplicate structures arising from the equivalent subtrees in an XML docume...
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Index structures are designed to optimize search performance, while at the same time supporting efficient data updates. Although not explicit, existing index structures are typica...