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» Answering Multiple-Item Queries in Data Broadcast Systems
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WWW
2008
ACM
16 years 2 months ago
Scalable querying services over fuzzy ontologies
Fuzzy ontologies are envisioned to be useful in the Semantic Web. Existing fuzzy ontology reasoners are not scalable enough to handle the scale of data that the Web provides. In t...
Jeff Z. Pan, Giorgos B. Stamou, Giorgos Stoilos, S...
SIGMOD
2010
ACM
215views Database» more  SIGMOD 2010»
14 years 8 months ago
Crescando
This demonstration presents Crescando, an implementation of a distributed relational table that guarantees predictable response time on unpredictable workloads. In Crescando, data...
Georgios Giannikis, Philipp Unterbrunner, Jeremy M...
SIGMOD
2012
ACM
224views Database» more  SIGMOD 2012»
13 years 3 months ago
Tiresias: the database oracle for how-to queries
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
Alexandra Meliou, Dan Suciu
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 5 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...
SSDBM
2008
IEEE
90views Database» more  SSDBM 2008»
15 years 7 months ago
Ontology Database: A New Method for Semantic Modeling and an Application to Brainwave Data
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
Paea LePendu, Dejing Dou, Gwen A. Frishkoff, Jiawe...