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ADBIS
1999
Springer
104views Database» more  ADBIS 1999»
15 years 9 months ago
Mining Various Patterns in Sequential Data in an SQL-like Manner
Abstract. One of the most important data mining tasks is discovery of frequently occurring patterns in sequences of events. Many algorithms for finding various patterns in sequenti...
Marek Wojciechowski
ER
1999
Springer
146views Database» more  ER 1999»
15 years 9 months ago
"Modeling-by-Patterns" of Web Applications
“A pattern ... describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can us...
Franca Garzotto, Paolo Paolini, Davide Bolchini, S...
VLDB
1999
ACM
124views Database» more  VLDB 1999»
15 years 9 months ago
Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
An important issue for federated systems of diverse data sources is optimizing cross-source queries, without building knowledge of individual sources into the optimizer. This pape...
Mary Tork Roth, Fatma Ozcan, Laura M. Haas
VLDB
1997
ACM
142views Database» more  VLDB 1997»
15 years 8 months ago
Algorithms for Materialized View Design in Data Warehousing Environment
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...
Jian Yang, Kamalakar Karlapalem, Qing Li
ICDE
1993
IEEE
103views Database» more  ICDE 1993»
15 years 8 months ago
IsaLog: A declarative language for complex objects with hierarchies
The IsaLog model and language are presented. The model has complex objects with classes, relations, and isa hierarchies. The language is strongly typed and declarative. The main i...
Paolo Atzeni, Luca Cabibbo, Giansalvatore Mecca