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KDD
2005
ACM
80views Data Mining» more  KDD 2005»
14 years 10 months ago
Wavelet synopsis for data streams: minimizing non-euclidean error
We consider the wavelet synopsis construction problem for data streams where given n numbers we wish to estimate the data by constructing a synopsis, whose size, say B is much sma...
Sudipto Guha, Boulos Harb
ACL
1997
13 years 11 months ago
Towards Resolution of Bridging Descriptions
We present preliminary results concerning robust techniques for resolving bridging definite descriptions. We report our analysis of a collection of 20 Wall Street Journal articles...
Renata Vieira, Simone Teufel
COSIT
2009
Springer
116views GIS» more  COSIT 2009»
14 years 4 months ago
The Endpoint Hypothesis: A Topological-Cognitive Assessment of Geographic Scale Movement Patterns
Movement patterns of individual entities at the geographic scale are becoming a prominent research focus in spatial sciences. One pertinent question is how cognitive and formal cha...
Alexander Klippel, Rui Li
TCS
2010
13 years 8 months ago
Itineraries of rigid rotations and diffeomorphisms of the circle
We examine the itinerary of 0 ∈ S1 = R/Z under the rotation by α ∈ R\Q. The motivating question is: if we are given only the itinerary of 0 relative to I ⊂ S1 , a finite un...
David Richeson, Paul Winkler, Jim Wiseman
SIGMOD
2001
ACM
158views Database» more  SIGMOD 2001»
14 years 10 months ago
Generating Efficient Plans for Queries Using Views
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
Foto N. Afrati, Chen Li, Jeffrey D. Ullman