Sciweavers

SIGMOD
2003
ACM
147views Database» more  SIGMOD 2003»
14 years 3 months ago
Formal semantics and analysis of object queries
Modern database systems provide not only powerful data models but also complex query languages supporting powerful features such as the ability to create new database objects and ...
Gavin M. Bierman
SIGMOD
2003
ACM
166views Database» more  SIGMOD 2003»
14 years 3 months ago
Statistical Schema Matching across Web Query Interfaces
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang
SIGMOD
2003
ACM
150views Database» more  SIGMOD 2003»
14 years 3 months ago
Capturing both Types and Constraints in Data Integration
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...
Michael Benedikt, Chee Yong Chan, Wenfei Fan, Juli...
SIGMOD
2003
ACM
115views Database» more  SIGMOD 2003»
14 years 3 months ago
Querying Structured Text in an XML Database
XML databases often contain documents comprising structured text. Therefore, it is important to integrate "information retrieval style" query evaluation, which is well-s...
Shurug Al-Khalifa, Cong Yu, H. V. Jagadish
SIGMOD
2003
ACM
146views Database» more  SIGMOD 2003»
14 years 3 months ago
Information Sharing Across Private Databases
Literature on information integration across databases tacitly assumes that the data in each database can be revealed to the other databases. However, there is an increasing need ...
Rakesh Agrawal, Alexandre V. Evfimievski, Ramakris...
SIGMOD
2003
ACM
124views Database» more  SIGMOD 2003»
14 years 3 months ago
Dynamic XML documents with distribution and replication
The advent of XML as a universal exchange format, and of Web services as a basis for distributed computing, has fostered the apparition of a new class of documents: dynamic XML do...
Serge Abiteboul, Angela Bonifati, Gregory Cobena, ...
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
14 years 3 months ago
Aurora: A Data Stream Management System
The Aurora system [1] is an experimental data stream management system with a fully functional prototype. It includes both a graphical development environment, and a runtime syste...
Daniel J. Abadi, Donald Carney, Ugur Çetint...
SIGMOD
2003
ACM
209views Database» more  SIGMOD 2003»
14 years 3 months ago
Distributed Top-K Monitoring
The querying and analysis of data streams has been a topic of much recent interest, motivated by applications from the fields of networking, web usage analysis, sensor instrumenta...
Brian Babcock, Chris Olston
SIGMOD
2003
ACM
172views Database» more  SIGMOD 2003»
14 years 3 months ago
Dynamic Sample Selection for Approximate Query Processing
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...
Brian Babcock, Surajit Chaudhuri, Gautam Das
SIGMOD
2003
ACM
193views Database» more  SIGMOD 2003»
14 years 3 months ago
Chain : Operator Scheduling for Memory Minimization in Data Stream Systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...