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SIGIR
2008
ACM
13 years 8 months ago
Efficient top-k querying over social-tagging networks
Online communities have become popular for publishing and searching content, as well as for finding and connecting to other users. User-generated content includes, for example, pe...
Ralf Schenkel, Tom Crecelius, Mouna Kacimi, Sebast...
POPL
2010
ACM
14 years 6 months ago
Automatically Generating Instruction Selectors Using Declarative Machine Descriptions
Despite years of work on retargetable compilers, creating a good, reliable back end for an optimizing compiler still entails a lot of hard work. Moreover, a critical component of ...
João Dias, Norman Ramsey
ISAAC
2007
Springer
102views Algorithms» more  ISAAC 2007»
14 years 2 months ago
Depth of Field and Cautious-Greedy Routing in Social Networks
Social networks support efficient decentralized search: people can collectively construct short paths to a specified target in the network. Rank-based friendship—where the prob...
David Barbella, George Kachergis, David Liben-Nowe...
SOUPS
2006
ACM
14 years 2 months ago
Power strips, prophylactics, and privacy, oh my!
While Internet users claim to be concerned about online privacy, their behavior rarely reflects those concerns. In this paper we investigate whether the availability of compariso...
Julia Gideon, Lorrie Faith Cranor, Serge Egelman, ...
CVPR
1998
IEEE
14 years 10 months ago
Elliptical Head Tracking Using Intensity Gradients and Color Histograms
An algorithm for tracking a person's head is presented. The head's projection onto the image plane is modeled as an ellipse whose position and size are continually updat...
Stan Birchfield