Sciweavers

429 search results - page 82 / 86
» A SAT approach to query optimization in mediator systems
Sort
View
DASFAA
2006
IEEE
111views Database» more  DASFAA 2006»
14 years 2 months ago
Holistic Schema Mappings for XML-on-RDBMS
When hosting XML information on relational backends, a mapping has to be established between the schemas of the information source and the target storage repositories. A rich body ...
Priti Patil, Jayant R. Haritsa
SIGIR
2008
ACM
13 years 8 months ago
Novelty and diversity in information retrieval evaluation
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
Charles L. A. Clarke, Maheedhar Kolla, Gordon V. C...
NECO
2000
86views more  NECO 2000»
13 years 8 months ago
A Bayesian Committee Machine
The Bayesian committee machine (BCM) is a novel approach to combining estimators which were trained on different data sets. Although the BCM can be applied to the combination of a...
Volker Tresp
WWW
2011
ACM
13 years 3 months ago
OXPath: little language, little memory, great value
Data about everything is readily available on the web—but often only accessible through elaborate user interactions. For automated decision support, extracting that data is esse...
Andrew Jon Sellers, Tim Furche, Georg Gottlob, Gio...
ATMOS
2008
139views Optimization» more  ATMOS 2008»
13 years 10 months ago
Efficient On-Trip Timetable Information in the Presence of Delays
Abstract. The search for train connections in state-of-the-art commercial timetable information systems is based on a static schedule. Unfortunately, public transportation systems ...
Lennart Frede, Matthias Müller-Hannemann, Mat...