318 search results - page 17 / 64 » Optimization of Query Streams Using Semantic Prefetching |
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
BDA
2007
13 years 9 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
SEMWEB
2005
Springer
14 years 1 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
ADBIS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
EUROCAST
2005
Springer
2005
Springer
Similarity Queries in Data Bases Using Metric Distances - from Modeling Semantics to Its Maintenance
14 years 1 months ago
Similarity queries in traditional databases work directly on attribute values. But, often similar attribute values do not indicate similar meanings. Semantic background information...