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SIGMOD
2003
ACM
96views Database» more  SIGMOD 2003»
9 years 4 months ago
TREX: DTD-Conforming XML to XML Transformations
Aoying Zhou, Qing Wang, Zhimao Guo, Xueqing Gong, ...
SIGMOD
2003
ACM
179views Database» more  SIGMOD 2003»
9 years 4 months ago
Data Grid Management Systems
: The “Grid” is an emerging infrastructure for coordinating access across autonomous organizations to distributed, heterogeneous computation and data resources. Data grids are ...
Arun Jagatheesan, Arcot Rajasekar
SIGMOD
2003
ACM
190views Database» more  SIGMOD 2003»
9 years 4 months ago
Extracting Structured Data from Web Pages
Many web sites contain large sets of pages generated using a common template or layout. For example, Amazon lays out the author, title, comments, etc. in the same way in all its b...
Arvind Arasu, Hector Garcia-Molina
SIGMOD
2003
ACM
175views Database» more  SIGMOD 2003»
9 years 11 months ago
WinMagic : Subquery Elimination Using Window Aggregation
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
Calisto Zuzarte, Hamid Pirahesh, Wenbin Ma, Qi Che...
SIGMOD
2003
ACM
152views Database» more  SIGMOD 2003»
9 years 11 months ago
Warping Indexes with Envelope Transforms for Query by Humming
A Query by Humming system allows the user to find a song by humming part of the tune. No musical training is needed. Previous query by humming systems have not provided satisfacto...
Yunyue Zhu, Dennis Shasha
SIGMOD
2003
ACM
134views Database» more  SIGMOD 2003»
9 years 11 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...
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
9 years 11 months ago
Spreadsheets in RDBMS for OLAP
One of the critical deficiencies of SQL is lack of support for ndimensional array-based computations which are frequent in OLAP environments. Relational OLAP (ROLAP) applications ...
Andrew Witkowski, Srikanth Bellamkonda, Tolga Bozk...
SIGMOD
2003
ACM
174views Database» more  SIGMOD 2003»
9 years 11 months ago
ViST: A Dynamic Index Method for Querying XML Data by Tree Structures
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...
Haixun Wang, Sanghyun Park, Wei Fan, Philip S. Yu
SIGMOD
2003
ACM
145views Database» more  SIGMOD 2003»
9 years 11 months ago
Containment Join Size Estimation: Models and Methods
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
SIGMOD
2003
ACM
118views Database» more  SIGMOD 2003»
9 years 11 months ago
Improving the Efficiency of Database-System Teaching
The education industry has a very poor record of productivity gains. In this brief article, I outline some of the ways the teaching of a college course in database systems could b...
Jeffrey D. Ullman
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