823 search results - page 140 / 165 » Building Semantic Mappings from Databases to Ontologies |
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
DOLAP
2008
ACM
13 years 10 months ago
2008
ACM
The development of data warehouses is based on a threestage process that starts specifying both the static and dynamic properties of on-line analytical processing (OLAP) applicati...
DEXAW
2008
IEEE
14 years 3 months ago
2008
IEEE
— One of the critical issues in search engines is the size of search indexes: as the number of documents handled by an engine increases, the search must preserve its efficiency,...
TCSV
2002
13 years 8 months ago
2002
Video query by semantic keywords is one of the most challenging research issues in video data management. To go beyond low-level similarity and access video data content by semanti...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...