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» Spreadsheet as a relational database engine
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SIGMOD
2002
ACM
119views Database» more  SIGMOD 2002»
14 years 9 months ago
Rate-based query optimization for streaming information sources
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
Stratis Viglas, Jeffrey F. Naughton
MSR
2009
ACM
14 years 1 months ago
On mining data across software repositories
Software repositories provide abundance of valuable information about open source projects. With the increase in the size of the data maintained by the repositories, automated ext...
Prasanth Anbalagan, Mladen A. Vouk
SIGMOD
2009
ACM
141views Database» more  SIGMOD 2009»
14 years 9 months ago
FlexRecs: expressing and combining flexible recommendations
Recommendation systems have become very popular but most recommendation methods are `hard-wired' into the system making experimentation with and implementation of new recomme...
Georgia Koutrika, Benjamin Bercovitz, Hector Garci...
OOPSLA
2005
Springer
14 years 2 months ago
CodeQuest: querying source code with datalog
We describe CodeQuest, a system for querying source code. It combines two previous proposals, namely the use of logic programming and database system. Experiments (on projects ran...
Elnar Hajiyev, Mathieu Verbaere, Oege de Moor, Kri...
PODS
2010
ACM
250views Database» more  PODS 2010»
14 years 1 months ago
From information to knowledge: harvesting entities and relationships from web sources
There are major trends to advance the functionality of search engines to a more expressive semantic level. This is enabled by the advent of knowledge-sharing communities such as W...
Gerhard Weikum, Martin Theobald