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SIGMOD
1999
ACM
138views Database» more  SIGMOD 1999»
9 years 8 months ago
Storing Semistructured Data with STORED
Systems for managing and querying semistructured-data sources often store data in proprietary object repositories or in a tagged-text format. We describe a technique that can use ...
Alin Deutsch, Mary F. Fernández, Dan Suciu
SIGMOD
1999
ACM
114views Database» more  SIGMOD 1999»
9 years 8 months ago
A Layered Architecture for Querying Dynamic Web Content
The design of webbases, database systems for supporting Webbased applications, is currently an active area of research. In this paper, we propose a 3-layer architecture for design...
Hasan Davulcu, Juliana Freire, Michael Kifer, I. V...
SIGMOD
1999
ACM
87views Database» more  SIGMOD 1999»
9 years 8 months ago
On Random Sampling over Joins
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
Surajit Chaudhuri, Rajeev Motwani, Vivek R. Narasa...
SIGMOD
1999
ACM
132views Database» more  SIGMOD 1999»
9 years 8 months ago
Mind Your Vocabulary: Query Mapping Across Heterogeneous Information Sources
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
Kevin Chen-Chuan Chang, Hector Garcia-Molina
SIGMOD
1999
ACM
111views Database» more  SIGMOD 1999»
9 years 8 months ago
Database Patchwork on the Internet
Reinhard Braumandl, Alfons Kemper, Donald Kossmann
SIGMOD
1999
ACM
90views Database» more  SIGMOD 1999»
9 years 8 months ago
XML-Based Information Mediation with MIX
Chaitanya K. Baru, Amarnath Gupta, Bertram Lud&aum...
SIGMOD
1999
ACM
157views Database» more  SIGMOD 1999»
9 years 8 months ago
Bottom-Up Computation of Sparse and Iceberg CUBEs
Kevin S. Beyer, Raghu Ramakrishnan
SIGMOD
1999
ACM
112views Database» more  SIGMOD 1999»
9 years 8 months ago
A New Method for Similarity Indexing of Market Basket Data
In recent years, many data mining methods have been proposed for finding useful and structured information from market basket data. The association rule model was recently propos...
Charu C. Aggarwal, Joel L. Wolf, Philip S. Yu
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
9 years 8 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
SIGMOD
1999
ACM
101views Database» more  SIGMOD 1999»
9 years 8 months ago
Join Synopses for Approximate Query Answering
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
Swarup Acharya, Phillip B. Gibbons, Viswanath Poos...
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