Sciweavers

241 search results - page 12 / 49
» Effective pruning for XML structural match queries
Sort
View
WWW
2006
ACM
14 years 8 months ago
Online mining of frequent query trees over XML data streams
In this paper, we proposed an online algorithm, called FQT-Stream (Frequent Query Trees of Streams), to mine the set of all frequent tree patterns over a continuous XML data strea...
Hua-Fu Li, Man-Kwan Shan, Suh-Yin Lee
EDBT
2008
ACM
159views Database» more  EDBT 2008»
14 years 7 months ago
Automaton in or out: run-time plan optimization for XML stream processing
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
Hong Su, Elke A. Rundensteiner, Murali Mani
JASIS
2008
125views more  JASIS 2008»
13 years 7 months ago
A tool for data cube construction from structurally heterogeneous XML documents
Data cubes for OLAP (Online Analytical Processing) often need to be constructed from data located in several distributed and autonomous information sources. Such a data integratio...
Turkka Näppilä, Kalervo Järvelin, T...
MIR
2004
ACM
154views Multimedia» more  MIR 2004»
14 years 28 days ago
Fast and robust short video clip search using an index structure
In this paper, we present an index structure-based method to fast and robustly search short video clips in large video collections. First we temporally segment a given long video ...
Junsong Yuan, Ling-Yu Duan, Qi Tian, Changsheng Xu
EDBT
2002
ACM
129views Database» more  EDBT 2002»
14 years 7 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder