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KDD
2012
ACM
186views Data Mining» more  KDD 2012»
11 years 10 months ago
Maximum inner-product search using cone trees
The problem of efficiently finding the best match for a query in a given set with respect to the Euclidean distance or the cosine similarity has been extensively studied. However...
Parikshit Ram, Alexander G. Gray
GIS
2009
ACM
14 years 9 months ago
Map Matching and Uncertainty: an Algorithm and Real-World Experiments
A common problem in moving object databases (MOD) is the reconstruction of a trajectory from a trajectory sample (i.e., a finite sequence of time-space points). A typical solution...
Alejandro A. Vaisman, Bart Kuijpers, Bart Moelans,...
PODS
2008
ACM
211views Database» more  PODS 2008»
14 years 8 months ago
The power of two min-hashes for similarity search among hierarchical data objects
In this study we propose sketching algorithms for computing similarities between hierarchical data. Specifically, we look at data objects that are represented using leaf-labeled t...
Sreenivas Gollapudi, Rina Panigrahy
CHI
2004
ACM
14 years 8 months ago
Evaluating interactive information retrieval systems: opportunities and challenges
Information retrieval or search plays an important role in a wide range of information management and electronic commerce tasks. In spite of the importance of information retrieva...
Nicholas J. Belkin, Susan T. Dumais, Jean Scholtz,...
WWW
2005
ACM
14 years 8 months ago
Scaling link-based similarity search
To exploit the similarity information hidden in the hyperlink structure of the web, this paper introduces algorithms scalable to graphs with billions of vertices on a distributed ...
Balázs Rácz, Dániel Fogaras