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ICDT
2007
ACM
107views Database» more  ICDT 2007»
16 years 24 days ago
Some Algorithmic Improvements for the Containment Problem of Conjunctive Queries with Negation
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
Michel Leclère, Marie-Laure Mugnier
ISI
2007
Springer
16 years 24 days ago
SIGHTS: A Software System for Finding Coalitions and Leaders in a Social Network
Abstract—We present an extended version of a software system SIGHTS1 (Statistical Identification of Groups Hidden in Time and Space), which can be used for the discovery, analys...
Jeffrey Baumes, Mark K. Goldberg, Mykola Hayvanovy...
IVA
2007
Springer
16 years 24 days ago
Searching for Prototypical Facial Feedback Signals
Embodied conversational agents should be able to provide feedback on what a human interlocutor is saying. We are compiling a list of facial feedback expressions that signal attenti...
Dirk Heylen, Elisabetta Bevacqua, Marion Tellier, ...
IWMM
2007
Springer
130views Hardware» more  IWMM 2007»
16 years 24 days ago
Accordion arrays
In this work, we present accordion arrays, a straightforward and effective memory compression technique targeting Unicode-based character arrays. In many non-numeric Java programs...
Craig B. Zilles
JSSPP
2007
Springer
16 years 24 days ago
A Self-optimized Job Scheduler for Heterogeneous Server Clusters
Heterogeneous clusters and grid infrastructures are becoming increasingly popular. In these computing infrastructures, machines have different resources, including memory sizes, d...
Elad Yom-Tov, Yariv Aridor