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SIGMOD
1998
ACM
97views Database» more  SIGMOD 1998»
14 years 3 months ago
Cost Based Query Scrambling for Initial Delays
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
Tolga Urhan, Michael J. Franklin, Laurent Amsaleg
DEXA
1998
Springer
121views Database» more  DEXA 1998»
14 years 3 months ago
A New Heuristic for Optimizing Large Queries
Leonidas Fegaras
SIGMOD
1998
ACM
143views Database» more  SIGMOD 1998»
14 years 3 months ago
Optimal Multi-Step k-Nearest Neighbor Search
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
Thomas Seidl, Hans-Peter Kriegel
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 3 months ago
Approximate Medians and other Quantiles in One Pass and with Limited Memory
We present new algorithms for computing approximate quantiles of large datasets in a single pass. The approximation guarantees are explicit, and apply without regard to the value ...
Gurmeet Singh Manku, Sridhar Rajagopalan, Bruce G....
SIGMOD
1998
ACM
126views Database» more  SIGMOD 1998»
14 years 3 months ago
DataSplash
Database visualization is an area of growing importance as database systems become larger and more accessible. DataSplash is an easy-to-use, integrated environment for navigating,...
Chris Olston, Allison Woodruff, Alexander Aiken, M...
SIGMOD
1998
ACM
150views Database» more  SIGMOD 1998»
14 years 3 months ago
Extracting Schema from Semistructured Data
Semistructured data is characterized by the lack of any fixed and rigid schema, although typically the data hassomeimplicitstructure. While thelack offixedschemamakesextracting ...
Svetlozar Nestorov, Serge Abiteboul, Rajeev Motwan...
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 3 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
SIGMOD
1998
ACM
152views Database» more  SIGMOD 1998»
14 years 3 months ago
50,000 Users on an Oracle8 Universal Server Database
Tirthankar Lahiri, Ashok Joshi, Amit Jasuja, Suman...
SIGMOD
1998
ACM
124views Database» more  SIGMOD 1998»
14 years 3 months ago
An Alternative Storage Organization for ROLAP Aggregate Views Based on Cubetrees
The Relational On-Line Analytical Processing (ROLAP) is emerging as thedominant approach in data warehousing with decision support applications. In order to enhance query performa...
Yannis Kotidis, Nick Roussopoulos
SIGMOD
1998
ACM
107views Database» more  SIGMOD 1998»
14 years 3 months ago
amdb: An Access Method Debugging Tool
Marcel Kornacker, Mehul A. Shah, Joseph M. Hellers...