609 search results - page 58 / 122 » Collective spatial keyword querying |
ICDT
2011
ACM
13 years 6 days ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
SIGMOD
2000
ACM
14 years 1 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
SAC
2005
ACM
14 years 2 months ago
2005
ACM
During the last years, significant attention has been paid to the problem of building wrappers for extracting data from semistructured web sources. Nevertheless, since web sources...
MTA
2010
13 years 7 months ago
2010
It is common practice in audiovisual archives to disclose documents using metadata from a structured vocabulary or thesaurus. Many of these thesauri have limited or no structure. T...
WWW
2006
ACM
14 years 9 months ago
2006
ACM
We study how to design experiments to measure the success rates of phishing attacks that are ethical and accurate, which are two requirements of contradictory forces. Namely, an e...