Sciweavers

2608 search results - page 179 / 522
» Inferring Answers to Queries
Sort
View
DPD
2006
123views more  DPD 2006»
15 years 6 months ago
Reducing network traffic in unstructured P2P systems using Top-k queries
A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solu...
Reza Akbarinia, Esther Pacitti, Patrick Valduriez
ICDE
2007
IEEE
110views Database» more  ICDE 2007»
16 years 7 months ago
Pointwise-Dense Region Queries in Spatio-temporal Databases
Applications such as traffic management and resource scheduling for location-based services commonly need to identify regions with high concentrations of moving objects. Such quer...
Jinfeng Ni, Chinya V. Ravishankar
ICDE
2006
IEEE
192views Database» more  ICDE 2006»
16 years 7 months ago
Approximating Aggregation Queries in Peer-to-Peer Networks
Peer-to-peer databases are becoming prevalent on the Internet for distribution and sharing of documents, applications, and other digital media. The problem of answering large scal...
Benjamin Arai, Gautam Das, Dimitrios Gunopulos, Va...
WECWIS
2008
IEEE
100views ECommerce» more  WECWIS 2008»
16 years 26 days ago
ISENS: A Multi-ontology Query System for the Semantic Deep Web
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
Abir Qasem, Dimitre A. Dimitrov, Jeff Heflin
VLDB
2007
ACM
229views Database» more  VLDB 2007»
16 years 18 days ago
Sum-Max Monotonic Ranked Joins for Evaluating Top-K Twig Queries on Weighted Data Graphs
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
Yan Qi 0002, K. Selçuk Candan, Maria Luisa ...