771 search results - page 86 / 155 » Access Methods and Query Processing Techniques |
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Increasing monitoring of transactions, environmental parameters, homeland security, RFID chips and interactions of online users rapidly establishes new data sources and applicatio...
SIGMOD
1999
ACM
14 years 2 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
RIAO
2007
13 years 11 months ago
2007
Web semantic access in specific domains calls for specialized search engines with enhanced semantic querying and indexing capacities, which pertain both to information retrieval (...
SIGIR
2006
ACM
14 years 3 months ago
2006
ACM
Large-scale web and text retrieval systems deal with amounts of data that greatly exceed the capacity of any single machine. To handle the necessary data volumes and query through...
VLDB
1991
ACM
14 years 1 months ago
1991
ACM
In this paper we describe a rule-based approach to semantic specification that can be used to establish semantic agreement between a source and receiver. Query processing techniqu...