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» On Inducing Polygons and Related Problems
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WSDM
2012
ACM
325views Data Mining» more  WSDM 2012»
12 years 3 months ago
Correlating financial time series with micro-blogging activity
We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messa...
Eduardo J. Ruiz, Vagelis Hristidis, Carlos Castill...
ICDCS
2008
IEEE
14 years 1 months ago
Distributed Divide-and-Conquer Techniques for Effective DDoS Attack Defenses
Distributed Denial-of-Service (DDoS) attacks have emerged as a popular means of causing mass targeted service disruptions, often for extended periods of time. The relative ease an...
Muthusrinivasan Muthuprasanna, Govindarasu Manimar...
ATAL
2007
Springer
14 years 1 months ago
Coalition formation under uncertainty: bargaining equilibria and the Bayesian core stability concept
Coalition formation is a problem of great interest in AI, allowing groups of autonomous, rational agents to form stable teams. Furthermore, the study of coalitional stability conc...
Georgios Chalkiadakis, Evangelos Markakis, Craig B...
COLING
1992
13 years 8 months ago
The Proper Treatment Of Word Order In HPSG
: This paper describes a possibility of expressing ordering constraints among non-sister constituents in binary branching syntactic structures on a local basis, supported by viewin...
Karel Oliva
APN
2011
Springer
12 years 11 months ago
On the Origin of Events: Branching Cells as Stubborn Sets
In prime event structures with binary conflicts (pes-bc)3 a branching cell [1] is a subset of events closed under downward causality and immediate conflict relations. This means ...
Henri Hansen, Xu Wang