297 search results - page 36 / 60 » On the Decidability of Consistent Query Answering |
COMPGEOM
1994
ACM
14 years 18 days ago
1994
ACM
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...
INFOCOM
2009
IEEE
14 years 3 months ago
2009
IEEE
—We envision a two-tier sensor network which consists of resource-rich master nodes at the upper tier and resourcepoor sensor nodes at the lower tier. Master nodes collect data f...
CSE
2009
IEEE
14 years 1 months ago
2009
IEEE
— The ubiquity of mobile devices has led to a rising demand for location-based services and applications. A major part of these services is based on the location-detection capabi...
WISE
2002
Springer
14 years 1 months ago
2002
Springer
The common paradigm of searching and retrieving information on the Web is based on keyword-based search using one or more search engines, and then browsing through the large numbe...
ICDT
2012
ACM
11 years 11 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...