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SIGIR
2009
ACM
13 years 12 months ago
Extracting structured information from user queries with semi-supervised conditional random fields
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
Xiao Li, Ye-Yi Wang, Alex Acero
COMPGEOM
2006
ACM
13 years 9 months ago
I/O-efficient batched union-find and its applications to terrain analysis
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
Pankaj K. Agarwal, Lars Arge, Ke Yi
TWC
2010
13 years 1 days ago
Joint channel estimation and resource allocation for MIMO systems-part I: single-user analysis
Multiple antenna systems are known to provide very large data rates, when the perfect channel state information (CSI) is available at the receiver. However, this requires the recei...
Alkan Soysal, Sennur Ulukus
MICRO
2009
IEEE
168views Hardware» more  MICRO 2009»
14 years 1 hour ago
Ordering decoupled metadata accesses in multiprocessors
Hardware support for dynamic analysis can minimize the performance overhead of useful applications such as security checks, debugging, and profiling. To eliminate implementation ...
Hari Kannan
CIVR
2007
Springer
195views Image Analysis» more  CIVR 2007»
13 years 11 months ago
Towards optimal bag-of-features for object categorization and semantic video retrieval
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...
Yu-Gang Jiang, Chong-Wah Ngo, Jun Yang 0003