443 search results - page 64 / 89 » Relational Approach to Logical Query Optimization of XPath |
POPL
2010
ACM
14 years 4 months ago
2010
ACM
We present an automated technique for generating compiler optimizations from examples of concrete programs before and after improvements have been made to them. The key technical ...
ICWS
2009
IEEE
14 years 4 months ago
2009
IEEE
—The vision of the Semantic Web has brought about new challenges at the intersection of web research and data management. One fundamental research issue at this intersection is t...
DLOG
2010
13 years 5 months ago
2010
In this paper we outline an algebraic tableau algorithm for the DL SHOQ, which supports more informed reasoning due to the use of semantic partitioning and integer programming. We ...
DLOG
2004
13 years 9 months ago
2004
We present algorithms based on truth-prefixed tableaux to solve both Concept Abduction and Contraction in ALN DL. We also analyze the computational complexity of the problems, sho...
SSDBM
2005
IEEE
14 years 1 months ago
2005
IEEE
Data products generated from remotely-sensed, geospatial imagery (RSI) used in emerging areas, such as global climatology, environmental monitoring, land use, and disaster managem...