Sciweavers

5093 search results - page 949 / 1019
» How Real are Real Numbers
Sort
View
SIGMOD
2003
ACM
166views Database» more  SIGMOD 2003»
14 years 9 months ago
Statistical Schema Matching across Web Query Interfaces
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang
EDBT
2002
ACM
125views Database» more  EDBT 2002»
14 years 9 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish
EDBT
2008
ACM
151views Database» more  EDBT 2008»
14 years 9 months ago
Fast contextual preference scoring of database tuples
To provide users with only relevant data from the huge amount of available information, personalization systems utilize preferences to allow users to express their interest on spe...
Kostas Stefanidis, Evaggelia Pitoura
MOBISYS
2008
ACM
14 years 8 months ago
Composcan: adaptive scanning for efficient concurrent communications and positioning with 802.11
Using 802.11 concurrently for communications and positioning is problematic, especially if location-based services (e.g., indoor navigation) are concurrently executed with real-ti...
Mikkel Baun Kjærgaard, Thomas King
MOBISYS
2008
ACM
14 years 8 months ago
The pothole patrol: using a mobile sensor network for road surface monitoring
This paper investigates an application of mobile sensing: detecting and reporting the surface conditions of roads. We describe a system and associated algorithms to monitor this i...
Jakob Eriksson, Lewis Girod, Bret Hull, Ryan Newto...