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» A study of query length
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CHI
2011
ACM
13 years 1 months ago
Materializing the query with facet-streams: a hybrid surface for collaborative search on tabletops
We introduce “Facet-Streams”, a hybrid interactive surface for co-located collaborative product search on a tabletop. Facet-Streams combines techniques of information visualiz...
Hans-Christian Jetter, Jens Gerken, Michael Zö...
WADS
2007
Springer
180views Algorithms» more  WADS 2007»
14 years 3 months ago
Spanners for Geometric Intersection Graphs
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...
Martin Fürer, Shiva Prasad Kasiviswanathan
CIKM
2011
Springer
12 years 9 months ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai
WSC
2000
13 years 11 months ago
Improved decision processes through simultaneous simulation and time dilation
Simulation models are often not used to their full potential in the decision-making process. The default simulation strategy of simple serial replication of fixed length runs mean...
Paul Hyden, Lee Schruben
IRAL
2000
ACM
14 years 2 months ago
On the use of words and n-grams for Chinese information retrieval
: In the processing of Chinese documents and queries in information retrieval (IR), one has to identify the units that are used as indexes. Words and n-grams have been used as inde...
Jian-Yun Nie, Jianfeng Gao, Jian Zhang, Ming Zhou