589 search results - page 61 / 118 » Optimized Query Evaluation Using Cooperative Sorts |
166
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
178
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SIGMOD
2009
ACM
15 years 10 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...
EPIA
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. This paper describes an approach for the integration of linguistic information in passage retrieval in an open-source question answering system for Dutch. Annotation prod...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Structurally recursive XML queries are an important query class that follows the structure of XML data. At present, it is difficult for XQuery to type and optimize structurally re...
204
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ICDE
1996
IEEE
15 years 11 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...