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» Strategies in Rigid-Variable Methods
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CHI
2007
ACM
16 years 7 months ago
Using heart rate to control an interactive game
This paper presents a novel way of using real-time heart rate information to control a physically interactive biathlon (skiing and shooting) computer game. Instead of interfacing ...
Aleksi Lindblad, Mikko Jouhtio, Perttu Häm&au...
VLDB
2008
ACM
110views Database» more  VLDB 2008»
16 years 6 months ago
Enhancing histograms by tree-like bucket indices
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
Francesco Buccafurri, Gianluca Lax, Domenico SaccĂ...
SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 6 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
WWW
2010
ACM
16 years 1 months ago
The anatomy of an ad: structured indexing and retrieval for sponsored search
The core task of sponsored search is to retrieve relevant ads for the user’s query. Ads can be retrieved either by exact match, when their bid term is identical to the query, or...
Michael Bendersky, Evgeniy Gabrilovich, Vanja Josi...
EDBT
2010
ACM
185views Database» more  EDBT 2010»
16 years 1 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman