1059 search results - page 112 / 212 » Improving Semantic Query Answering |
SCHOLARPEDIA
2008
13 years 9 months ago
2008
A new method for automatic indexing and retrieval is described. The approach is to take advantage of implicit higher-order structure in the association of terms with documents (&q...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
DEXAW
2007
IEEE
14 years 4 months ago
2007
IEEE
Data integration approaches mostly attempt to resolve semantic uncertainty and conflicts between data sources during the data integration process. In some application areas, this...
MOBICOM
2000
ACM
14 years 2 months ago
2000
ACM
—Caching frequently accessed data items on the client side is an effective technique for improving performance in a mobile environment. Classical cache invalidation strategies ar...