590 search results - page 112 / 118 » SPARK: A Keyword Search Engine on Relational Databases |
VLDB
2008
ACM
14 years 7 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
EUROSYS
2010
ACM
14 years 4 months ago
2010
ACM
Debugging real systems is hard, requires deep knowledge of the code, and is time-consuming. Bug reports rarely provide sufficient information, thus forcing developers to turn int...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Detecting events from web resources has attracted increasing research interests in recent years. Our focus in this paper is to detect events from photos on Flickr, an Internet ima...
GECCO
2007
Springer
14 years 1 months ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...