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SIGMOD
1999
ACM
94views Database» more  SIGMOD 1999»
13 years 8 months ago
Logical Logging to Extend Recovery to New Domains
Recovery can be extended to new domains at reduced logging cost by exploiting "logical" log operations. During recovery, a logical log operation may read data values fro...
David B. Lomet, Mark R. Tuttle
SIGMOD
1999
ACM
110views Database» more  SIGMOD 1999»
13 years 8 months ago
Multi-dimensional Selectivity Estimation Using Compressed Histogram Information
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
Ju-Hong Lee, Deok-Hwan Kim, Chin-Wan Chung
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
13 years 8 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos
SIGMOD
1999
ACM
135views Database» more  SIGMOD 1999»
13 years 8 months ago
Improving OLTP Data Quality Using Data Warehouse Mechanisms
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
Matthias Jarke, Christoph Quix, Guido Blees, Dirk ...
SIGMOD
1999
ACM
99views Database» more  SIGMOD 1999»
13 years 8 months ago
Belief Reasoning in MLS Deductive Databases
It is envisaged that the application of the multilevel security (MLS) scheme will enhance exibility and e ectiveness of authorization policies in shared enterprise databases and w...
Hasan M. Jamil
SIGMOD
1999
ACM
79views Database» more  SIGMOD 1999»
13 years 8 months ago
Snakes and Sandwiches: Optimal Clustering Strategies for a Data Warehouse
H. V. Jagadish, Laks V. S. Lakshmanan, Divesh Sriv...
SIGMOD
1999
ACM
127views Database» more  SIGMOD 1999»
13 years 8 months ago
An Adaptive Query Execution System for Data Integration
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
Zachary G. Ives, Daniela Florescu, Marc Friedman, ...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
13 years 8 months ago
Ripple Joins for Online Aggregation
Peter J. Haas, Joseph M. Hellerstein
SIGMOD
1999
ACM
122views Database» more  SIGMOD 1999»
13 years 8 months ago
BOAT-Optimistic Decision Tree Construction
Classification is an important data mining problem. Given a training database of records, each tagged with a class label, the goal of classification is to build a concise model ...
Johannes Gehrke, Venkatesh Ganti, Raghu Ramakrishn...
SIGMOD
1999
ACM
95views Database» more  SIGMOD 1999»
13 years 8 months ago
Record-Boundary Discovery in Web Documents
David W. Embley, Y. S. Jiang, Yiu-Kai Ng