617 search results - page 50 / 124 » Semantic queries in databases: problems and challenges |
MMS
2006
13 years 9 months ago
2006
: In order to reduce transmission costs and response time, mobile clients typically cache data locally. But, avoiding the usage of outdated data and maintaining the consistency of ...
SIGMOD
2012
ACM
11 years 11 months ago
2012
ACM
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...
GIS
2008
ACM
13 years 10 months ago
2008
ACM
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...
WEBDB
2009
Springer
14 years 3 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
ICDE
1997
IEEE
14 years 10 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...