2228 search results - page 72 / 446 » A System for Semantic Query Optimization |
DOLAP
2004
ACM
14 years 2 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
IAT
2005
IEEE
14 years 2 months ago
2005
IEEE
Similarity measures are mechanisms that assign a numeric score indicating how closely two documents, or a document and a query match. The Cosine measure is one of the similarity m...
DMSN
2006
ACM
14 years 3 months ago
2006
ACM
A semantic sensor network describes the physical world using the metadata obtained from a sensor network. In this paper, we present our design and implementation of MeT, a real wo...
CVIU
2004
13 years 9 months ago
2004
This study presents a content-based image retrieval system IMALBUM based on local region of interest called object of interest (OOI). Each segmented or user-selected OOI is indexe...
PR
2008
13 years 9 months ago
2008
Hundreds of millions of users each day submit queries to the Web search engine. The user queries are typically very short which makes query understanding a challenging problem. In...