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PAMI
2012
13 years 21 hour ago
Altered Fingerprints: Analysis and Detection
—The widespread deployment of Automated Fingerprint Identification Systems (AFIS) in law enforcement and border control applications has heightened the need for ensuring that the...
Soweon Yoon, Jianjiang Feng, Anil K. Jain
KDD
2012
ACM
205views Data Mining» more  KDD 2012»
13 years 20 hour ago
Searching and mining trillions of time series subsequences under dynamic time warping
Most time series data mining algorithms use similarity search as a core subroutine, and thus the time taken for similarity search is the bottleneck for virtually all time series d...
Thanawin Rakthanmanon, Bilson J. L. Campana, Abdul...
SIGIR
2012
ACM
13 years 19 hour ago
Cognos: crowdsourcing search for topic experts in microblogs
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
Saptarshi Ghosh, Naveen Kumar Sharma, Fabrí...
SIGIR
2012
ACM
13 years 18 hour ago
To index or not to index: time-space trade-offs in search engines with positional ranking functions
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...
Diego Arroyuelo, Senén González, Mau...
CVPR
2012
IEEE
13 years 16 hour ago
Spherical hashing
Many binary code encoding schemes based on hashing have been actively studied recently, since they can provide efficient similarity search, especially nearest neighbor search, an...
Jae-Pil Heo, Youngwoon Lee, Junfeng He, Shih-Fu Ch...
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