98 search results - page 18 / 20 » Repairing Queries in a Mediator Approach |
VLDB
2007
ACM
14 years 8 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...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we propose a new approach to automatically compose data providing Web services. Our approach exploits existing mature works done in data integration systems. Specif...
JBCS
2010
13 years 2 months ago
2010
Schema matching is a fundamental issue to many database applications, such as query mediation and data warehousing. It becomes a challenge when different vocabularies are used to r...
GIS
2002
ACM
13 years 7 months ago
2002
ACM
In mobile field data collection, data gatherer requires to get geospatial information service to support in navigating to the right locations, describing context of observed objec...
IQ
2001
13 years 9 months ago
2001
: Corporate household data not only refers to the strict hierarchical structure about and within the corporation, but also the variety of inter-organizational relationships. It is ...