Sciweavers

TCSV
2010
13 years 7 months ago
Object Tracking in Structured Environments for Video Surveillance Applications
Abstract--We present a novel tracking method for effectively tracking objects in structured environments. The tracking method finds applications in security surveillance, traffic m...
Junda Zhu, Yuanwei Lao, Yuan F. Zheng
JMLR
2010
155views more  JMLR 2010»
13 years 7 months ago
Structured Sparse Principal Component Analysis
We present an extension of sparse PCA, or sparse dictionary learning, where the sparsity patterns of all dictionary elements are structured and constrained to belong to a prespeci...
Rodolphe Jenatton, Guillaume Obozinski, Francis Ba...
COLING
2010
13 years 7 months ago
Self-Annotation for fine-grained geospatial relation extraction
A great deal of information on the Web is represented in both textual and structured form. The structured form is machinereadable and can be used to augment the textual data. We c...
André Blessing, Hinrich Schütze
CIKM
2010
Springer
13 years 9 months ago
Crawling the web for structured documents
Structured Information Retrieval is gaining a lot of interest in recent years, as this kind of information is becoming an invaluable asset for professional communities such as Sof...
Julián Urbano, Juan Loréns, Yorgos A...
SIGIR
2010
ACM
13 years 10 months ago
DivQ: diversification for keyword search over structured databases
Keyword queries over structured databases are notoriously ambiguous. No single interpretation of a keyword query can satisfy all users, and multiple interpretations may yield over...
Elena Demidova, Peter Fankhauser, Xuan Zhou, Wolfg...
NAACL
2010
13 years 10 months ago
Softmax-Margin CRFs: Training Log-Linear Models with Cost Functions
We describe a method of incorporating taskspecific cost functions into standard conditional log-likelihood (CLL) training of linear structured prediction models. Recently introduc...
Kevin Gimpel, Noah A. Smith
NAACL
2010
13 years 10 months ago
Distributed Training Strategies for the Structured Perceptron
Perceptron training is widely applied in the natural language processing community for learning complex structured models. Like all structured prediction learning frameworks, the ...
Ryan T. McDonald, Keith Hall, Gideon Mann
ASIACRYPT
2010
Springer
13 years 10 months ago
Structured Encryption and Controlled Disclosure
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
Melissa Chase, Seny Kamara
SCL
2010
141views more  SCL 2010»
13 years 10 months ago
On the computation of structured singular values and pseudospectra
Structured singular values and pseudospectra play an important role in assessing the properties of a linear system under structured perturbations. This paper discusses computation...
Michael Karow, Effrosini Kokiopoulou, Daniel Kress...
PVLDB
2010
131views more  PVLDB 2010»
13 years 10 months ago
XSACT: A Comparison Tool for Structured Search Results
Studies show that about 50% of web search is for information exploration purpose, where a user would like to investigate, compare, evaluate, and synthesize multiple relevant resul...
Ziyang Liu, Sivaramakrishnan Natarajan, Peng Sun, ...