Sciweavers

5856 search results - page 12 / 1172
» Developing Query Patterns
Sort
View
VLDB
2005
ACM
85views Database» more  VLDB 2005»
15 years 11 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
ICDM
2006
IEEE
114views Data Mining» more  ICDM 2006»
15 years 11 months ago
Incremental Mining of Frequent Query Patterns from XML Queries for Caching
Existing studies for mining frequent XML query patterns mainly introduce a straightforward candidate generate-and-test strategy and compute frequencies of candidate query patterns...
Guoliang Li, Jianhua Feng, Jianyong Wang, Yong Zha...
EDBT
2011
ACM
203views Database» more  EDBT 2011»
14 years 9 months ago
QueryViz: helping users understand SQL queries and their patterns
We present QueryViz, a novel visualization tool for SQL queries that reduces the time needed to read and understand existing queries. It targets two principal audiences: (i) users...
Jonathan Danaparamita, Wolfgang Gatterbauer
DILS
2006
Springer
15 years 9 months ago
On Querying OBO Ontologies Using a DAG Pattern Query Language
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
Amarnath Gupta, Simone Santini
DEXAW
2004
IEEE
181views Database» more  DEXAW 2004»
15 years 9 months ago
Algebraic Optimization of Data Delivery Patterns in Mobile Sensor Networks
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
Vladimir Zadorozhny, Panos K. Chrysanthis, Alexand...