Sciweavers

1148 search results - page 191 / 230
» Using a relational database for scalable XML search
Sort
View
VLDB
2005
ACM
140views Database» more  VLDB 2005»
14 years 2 months ago
Complex Spatio-Temporal Pattern Queries
This paper introduces a novel type of query, what we name Spatio-temporal Pattern Queries (STP). Such a query specifies a spatiotemporal pattern as a sequence of distinct spatial...
Marios Hadjieleftheriou, George Kollios, Petko Bak...
DBISP2P
2003
Springer
92views Database» more  DBISP2P 2003»
14 years 2 months ago
Semantic Overlay Clusters within Super-Peer Networks
When joining information provider peers to a peer-to-peer network, an arbitrary distribution is sub-optimal. In fact, clustering peers by their characteristics, enhances search and...
Alexander Löser, Felix Naumann, Wolf Siberski...
ICDE
2009
IEEE
170views Database» more  ICDE 2009»
14 years 10 months ago
Semantics of Ranking Queries for Probabilistic Data and Expected Ranks
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
Graham Cormode, Feifei Li, Ke Yi
ICDE
2006
IEEE
232views Database» more  ICDE 2006»
14 years 10 months ago
Dual Labeling: Answering Graph Reachability Queries in Constant Time
Graph reachability is fundamental to a wide range of applications, including XML indexing, geographic navigation, Internet routing, ontology queries based on RDF/OWL, etc. Many ap...
Haixun Wang, Hao He, Jeffrey Xu Yu, Jun Yang 0001,...
CIKM
2009
Springer
14 years 3 months ago
Compressing tags to find interesting media groups
On photo sharing websites like Flickr and Zooomr, users are offered the possibility to assign tags to their uploaded pictures. Using these tags to find interesting groups of sem...
Matthijs van Leeuwen, Francesco Bonchi, Börku...