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PVLDB
2010
91views more  PVLDB 2010»
13 years 6 months ago
Regret-Minimizing Representative Databases
We propose the k-representative regret minimization query (k-regret) as an operation to support multi-criteria decision making. Like top-k, the k-regret query assumes that users h...
Danupon Nanongkai, Atish Das Sarma, Ashwin Lall, R...
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
13 years 12 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
SIGMOD
2008
ACM
118views Database» more  SIGMOD 2008»
13 years 7 months ago
NAGA: harvesting, searching and ranking knowledge
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
Gjergji Kasneci, Fabian M. Suchanek, Georgiana Ifr...
ICDE
2007
IEEE
146views Database» more  ICDE 2007»
14 years 9 months ago
Challenges on Distributed Web Retrieval
In the ocean of Web data, Web search engines are the primary way to access content. As the data is on the order of petabytes, current search engines are very large centralized sys...
Ricardo A. Baeza-Yates, Carlos Castillo, Flavio Ju...
WWW
2006
ACM
14 years 8 months ago
Integrating ecoinformatics resources on the semantic web
We describe ELVIS (the Ecosystem Location Visualization and Information System), a suite of tools for constructing food webs for a given location. We express both ELVIS input and ...
Cynthia Sims Parr, Andriy Parafiynyk, Joel Sachs, ...