23 search results - page 4 / 5 » Efficiently answering reachability queries on very large dir... |
KDD
2010
ACM
13 years 10 months ago
2010
ACM
Compressing social networks can substantially facilitate mining and advanced analysis of large social networks. Preferably, social networks should be compressed in a way that they...
PODS
2004
ACM
14 years 6 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
VLDB
2002
ACM
13 years 5 months ago
2002
ACM
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
ASUNAM
2010
IEEE
13 years 7 months ago
2010
IEEE
Subgraph matching is a key operation on graph data. Social network (SN) providers may want to find all subgraphs within their social network that "match" certain query gr...
SIGMOD
2009
ACM
14 years 6 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...