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ICWSM
2009
15 years 2 months ago
Event Detection and Tracking in Social Streams
Events and stories can be characterized by a set of descriptive, collocated keywords. Intuitively, documents describing the same event will contain similar sets of keywords, and t...
Hassan Sayyadi, Matthew Hurst, Alexey Maykov
CIKM
2011
Springer
14 years 5 months ago
Supervised language modeling for temporal resolution of texts
We investigate temporal resolution of documents, such as determining the date of publication of a story based on its text. We describe and evaluate a model that build histograms e...
Abhimanu Kumar, Matthew Lease, Jason Baldridge
SAC
2011
ACM
14 years 7 months ago
Towards discovering criminal communities from textual data
In many criminal cases, forensically collected data contain valuable information about a suspect’s social networks. An investigator often has to manually extract information fro...
Rabeah Al-Zaidy, Benjamin C. M. Fung, Amr M. Youss...
ICDAR
2009
IEEE
15 years 11 months ago
Biometric Person Authentication Method Using Camera-Based Online Signature Acquisition
A camera-based online signature verification system is proposed in this paper. One web camera is used for data acquisition, and a sequential Monte Carlo method is used for tracki...
Daigo Muramatsu, Kumiko Yasuda, Takashi Matsumoto
132
Voted
ICDAR
2009
IEEE
15 years 11 months ago
A Pixel-level Statistical Structural Descriptor for Shape Measure and Recognition
A novel shape descriptor based on the histogram matrix of pixel-level structural features is presented. First, length ratios and angles between the centroid and contour points of ...
Jing Zhang, Wenyin Liu