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» Modeling and Querying Semi-structured Data
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ACMSE
2005
ACM
15 years 3 months ago
Metadata management and relational databases
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
Shun Yan Cheung, James J. Lu, Catharine M. Wyss
DATESO
2004
174views Database» more  DATESO 2004»
14 years 11 months ago
On Efficient Part-match Querying of XML Data
The XML language have been becoming de-facto a standard for representation of heterogeneous data in the Internet. From database point of view, XML is a new approach to data modelli...
Michal Krátký, Marek Andrt
VLDB
2007
ACM
126views Database» more  VLDB 2007»
15 years 10 months ago
Querying Complex Structured Databases
Correctly generating a structured query (e.g., an XQuery or a SQL query) requires the user to have a full understanding of the database schema, which can be a daunting task. Alter...
Cong Yu, H. V. Jagadish
ICDE
2008
IEEE
139views Database» more  ICDE 2008»
15 years 11 months ago
Simultaneous Equation Systems for Query Processing on Continuous-Time Data Streams
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
Jennie Rogers, Olga Papaemmanouil, Ugur Çet...
CDB
2004
Springer
158views Database» more  CDB 2004»
15 years 1 months ago
Constraint Databases, Data Structures and Efficient Query Evaluation
Abstract. Constraint databases that can be described by boolean combinations of polynomial inequalities over the reals have received ample research attention. In particular, the ex...
Joos Heintz, Bart Kuijpers