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» A Comparative Study of Fuzzy Sets and Rough Sets
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SIGMOD
2004
ACM
126views Database» more  SIGMOD 2004»
15 years 12 months ago
Indexing Spatio-Temporal Trajectories with Chebyshev Polynomials
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
Yuhan Cai, Raymond T. Ng
MOBISYS
2004
ACM
15 years 11 months ago
Improving the Latency of 802.11 hand-offs using Neighbor Graphs
The 802.11 IEEE Standard has enabled low cost and effective wireless LAN services (WLAN). With the sales and deployment of WLAN based networks exploding, many people believe that ...
Minho Shin, Arunesh Mishra, William A. Arbaugh
WSDM
2010
ACM
259views Data Mining» more  WSDM 2010»
15 years 9 months ago
Revisiting Globally Sorted Indexes for Efficient Document Retrieval
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
Fan Zhang, Shuming Shi, Hao Yan, Ji-Rong Wen
ICCAD
2006
IEEE
139views Hardware» more  ICCAD 2006»
15 years 8 months ago
Analog placement with symmetry and other placement constraints
In order to handle device matching in analog circuits, some pairs of modules are required to be placed symmetrically. This paper addresses this device-level placement problem for ...
Yiu-Cheong Tam, Evangeline F. Y. Young, Chris C. N...
CSCW
2010
ACM
15 years 8 months ago
Are you having difficulty?
It would be useful if software engineers/instructors could be aware that remote team members/students are having difficulty with their programming tasks. We have developed an appr...
Jason Carter, Prasun Dewan