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SIGMOD
2005
ACM
156views Database» more  SIGMOD 2005»
16 years 4 months ago
A snapshot of public web services
Web Service Technology has been developing rapidly as it provides a flexible application-to-application interaction mechanism. Several ongoing research efforts focus on various as...
Jianchun Fan, Subbarao Kambhampati
SIGMOD
2005
ACM
87views Database» more  SIGMOD 2005»
16 years 4 months ago
When Can We Trust Progress Estimators for SQL Queries?
The problem of estimating progress for long-running queries has recently been introduced. We analyze the characteristics of the progress estimation problem, from the perspective o...
Surajit Chaudhuri, Raghav Kaushik, Ravishankar Ram...
SIGMOD
2004
ACM
112views Database» more  SIGMOD 2004»
16 years 4 months ago
Matching Large XML Schemas
Current schema matching approaches still have to improve for very large and complex schemas. Such schemas are increasingly written in the standard language W3C XML schema, especia...
Erhard Rahm, Hong Hai Do, Sabine Massmann
SIGMOD
2003
ACM
172views Database» more  SIGMOD 2003»
16 years 4 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
134views Database» more  SIGMOD 2003»
16 years 4 months ago
Location-based Spatial Queries
In this paper we propose an approach that enables mobile clients to determine the validity of previous queries based on their current locations. In order to make this possible, th...
Jun Zhang, Manli Zhu, Dimitris Papadias, Yufei Tao...