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» A Theory of Closure Operators
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PODS
2010
ACM
150views Database» more  PODS 2010»
15 years 9 months ago
Understanding queries in a search database system
It is well known that a search engine can significantly benefit from an auxiliary database, which can suggest interpretations of the search query by means of the involved concep...
Ronald Fagin, Benny Kimelfeld, Yunyao Li, Sriram R...
PODS
2010
ACM
232views Database» more  PODS 2010»
15 years 9 months ago
Optimal sampling from distributed streams
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
COOPIS
2002
IEEE
15 years 9 months ago
An Evolvable Framework for Perceptual Collaborative Applications
The Neem Platform is a research test bed for Project Neem, concerned with the development of socially and culturally aware collaborative systems in a wide range of domains, through...
Paulo Barthelmess, Clarence A. Ellis, The Neem Pla...
ICDT
2010
ACM
205views Database» more  ICDT 2010»
15 years 8 months ago
On the Aggregation Problem for Synthesized Web Services
The paper formulates and investigates the aggregation problem for synthesized mediators of Web services (SWMs). An SWM is a finite-state transducer defined in terms of templates...
Ting Deng, Wenfei Fan, Leonid Libkin, Yinghui Wu
SIGMETRICS
2010
ACM
233views Hardware» more  SIGMETRICS 2010»
15 years 8 months ago
Incentivizing peer-assisted services: a fluid shapley value approach
A new generation of content delivery networks for live streaming, video on demand, and software updates takes advantage of a peer-to-peer architecture to reduce their operating co...
Vishal Misra, Stratis Ioannidis, Augustin Chaintre...