Sciweavers

6274 search results - page 473 / 1255
» From query complexity to computational complexity
Sort
View
ICTL
1994
15 years 11 months ago
Abduction in Temporal Reasoning
Commonsense knowledge often omits the temporal incidence of facts, and even the ordering between occurrences is only available for some of their instances. Reasoning about the temp...
Cristina Ribeiro, António Porto
DAGSTUHL
2004
15 years 8 months ago
The Priority R-Tree: A Practically Efficient and Worst-Case-Optimal R-Tree
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
Lars Arge, Mark de Berg, Herman J. Haverkort, Ke Y...
JDM
2000
128views more  JDM 2000»
15 years 6 months ago
Distributed Database Design for Mobile Geographical Applications
Advanced Traveler Information Systems (ATIS) require e cient information retrieval and updating in a dynamic environment at di erent geographical scales. ATIS applications are use...
Manhoi Choy, Mei-Po Kwan, Hong Va Leong
JODL
2000
175views more  JODL 2000»
15 years 6 months ago
SPIRE: a digital library for scientific information
In this paper we describe the architecture and implementation of a digital library framework for scientific data, particularly imagery, with a focus on support for content-based se...
Lawrence D. Bergman, Vittorio Castelli, Chung-Shen...
ICDE
2008
IEEE
112views Database» more  ICDE 2008»
16 years 8 months ago
XML Index Recommendation with Tight Optimizer Coupling
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
Iman Elghandour, Ashraf Aboulnaga, Daniel C. Zilio...