721 search results - page 133 / 145 » Graphs with Large Obstacle Numbers |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The focus of web search is moving away from returning relevant documents towards returning structured data as results to user queries. A vital part in the architecture of...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Scalable and efficient routing is a main challenge in the deployment of large ad hoc wireless networks. An essential element of practical routing protocols is their accommodat...
ICWE
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. This paper describes the new e-learning tool CHESt that allows students to search in a knowledge base for short (teaching) multimedia clips by using a semantic search eng...
SIGMOD
2010
ACM
14 years 20 days ago
2010
ACM
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...