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ER
2003
Springer
550views Database» more  ER 2003»
15 years 12 months ago
A UML Based Approach for Modeling ETL Processes in Data Warehouses
Data warehouses (DWs) are complex computer systems whose main goal is to facilitate the decision making process of knowledge workers. ETL (Extraction-Transformation-Loading) proces...
Juan Trujillo, Sergio Luján-Mora
COMPSAC
2002
IEEE
15 years 11 months ago
A Dictionary-Based Compressed Pattern Matching Algorithm
Compressed pattern matching refers to the process of, given a text in a compressed form and a pattern, finding all the occurrences of the pattern in the text without decompressio...
Meng-Hang Ho, Hsu-Chun Yen
FOCS
2002
IEEE
15 years 11 months ago
Implicit B-Trees: New Results for the Dictionary Problem
We reopen the issue of finding an implicit data structure for the dictionary problem. In particular, we examine the problem of maintaining Ò data values in the first Ò locatio...
Gianni Franceschini, Roberto Grossi, J. Ian Munro,...
HICSS
2002
IEEE
150views Biometrics» more  HICSS 2002»
15 years 11 months ago
Social Capital and Volunteerism in Virtual Communities: The Case of the Internet Chess Club
This paper considers the theory of social capital and volunteerism in an online gaming community, the Internet Chess Club (ICC). We discuss how increased social capital provides b...
Mark Ginsburg, Suzanne P. Weisband
ICALP
2010
Springer
15 years 11 months ago
Network Design via Core Detouring for Problems without a Core
Some of the currently best-known approximation algorithms for network design are based on random sampling. One of the key steps of such algorithms is connecting a set of source nod...
Fabrizio Grandoni, Thomas Rothvoß