Now showing items 1-10 of 451
Integrating prosodic and lexical cues for automatic topic segmentation
We present a probabilistic model that uses both prosodic and lexical cues for the automatic segmentation of speech into topically coherent units. We propose two methods for combining lexical and prosodic information using ...
Processing count queries over event streams at multiple time granularities
(Elsevier Inc., 2006-07-22)
Management and analysis of streaming data has become crucial with its applications to web, sensor data, network traffic data, and stock market. Data streams consist of mostly numeric data but what is more interesting are ...
Towards automated web service composition with the abductive event calculus
[No abstract available]
Computing moments of first passage times to a subset of states in Markov chains
This paper presents a relatively efficient and accurate method to compute the moments of first passage times to a subset of states in finite ergodic Markov chains. With the proposed method, the moment computation problem ...
Automatic ranking of information retrieval systems using data fusion
(Elsevier Ltd, 2006-05)
Measuring effectiveness of information retrieval (IR) systems is essential for research and development and for monitoring search quality in dynamic environments. In this study, we employ new methods for automatic ranking ...
Systematic evaluation of face detection algorithms on news videos
People are the most important subjects in news videos and for proper retrieval of people images; face detection is a very crucial step. However, face detection and recognition in news videos is a very challenging task due ...
A natural language-based interface for querying a video database
(Institute of Electrical and Electronics Engineers, 2007-01)
The authors developed a video database system called BilVideo that provides integrated support for spatiotemporal, semantic, and low-level feature queries. As a further development for this system, the authors present a ...
Interactive training of advanced classifiers for mining remote sensing image archives
Advances in satellite technology and availability of down-loaded images constantly increase the sizes of remote sensing image archives. Automatic content extraction, classification and content-based retrieval have become ...
Threshold cryptography based on Asmuth–Bloom secret sharing
(Elsevier Inc., 2007-10-01)
In this paper, we investigate how threshold cryptography can be conducted with the Asmuth-Bloom secret sharing scheme and present three novel function sharing schemes for RSA, ElGamal and Paillier cryptosysterns. To the ...
KiMPA: A kinematics-based method for polygon approximation
(Springer, Berlin, Heidelberg, 2002)
In different types of information systems, such as multimedia information systems and geographic information systems, object-based information is represented via polygons corresponding to the boundaries of object regions. ...