Št. zadetkov: 28
Video in druga učna gradiva
Oznake:
computer science;computational linguistics
Traditionally, linguistic variation within different time scales has been the province of different disciplines, each with a distinctive suite of techniques for obtaining and analyzing data. For example, historical linguistics, sociolinguistics and corpus linguistics study variation between differen ...
Leto:
2008
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;computational linguistics;machine translation
Minimum-error-rate training (MERT) is a bottleneck for current development in statistical machine translation (MT) because it has difficulty estimating more than a dozen or two parameters. I will present two classes of features that address deficiencies in the Hiero hierarchical phrase-based transla ...
Leto:
2008
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;machine learning;kernel methods
Kernel methods are widely used in statistical learning techniques due to their excellent performance and their computational efficiency in high-dimensional feature space. However, text or speech data cannot always be represented by the fixed-length vectors that the traditional kernels handle. In thi ...
Leto:
2007
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;machine learning;unsupervised learning
We address the problem of performing topic classification of speech when no transcriptions from the speech corpus of interest are available. The approach we take is one of incremental learning about the speech corpus starting with adaptive segmentation of the speech, leading to the generation of dis ...
Leto:
2008
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;speech analysis
The development of an automatic speech recognizer is typically a highly supervised process involving the specification of phonetic inventories, lexicons, acoustic and language models, along with annotated training corpora. Although some model parameters may be modified via adaptation, the overall st ...
Leto:
2008
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
The relationship between grammar and language behavior is not entirely clear-cut. One classic view (Chomsky 65, Bresnan & Kaplan 82, Stabler 83, Steedman 89) holds that grammars specify a time-independent body of knowledge, one that is deployed on-line by a processing mechanism. Determining the comp ...
Leto:
2007
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;speech analysis
This talk will discuss production and perception studies of deceptive speech and the acoustic/prosodic and lexical cues associated with deception. Experiments in which we collected a large corpus of deceptive and non-deceptive speech from naive subjects in the laboratory are described, together with ...
Leto:
2007
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;computational linguistics;machine translation
Leto:
2008
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;computational biology
Most engineering and science problems involve modeling. We need inference calculations to draw predictions from the models or to estimate them from available measurements. In many cases the inference calculations can be done only approximately as in decoding, sensor networks, or in modeling biologic ...
Leto:
2007
Vir:
videolectures.net
Video in druga učna gradiva
Oznake:
computer science;natural language processing
Can we create a system that can learn to understand political speeches well enough to determine the speakers' viewpoints? Can we improve information retrieval by using link analysis, as is famously done in Web search, if we are dealing with documents that don't contain hyperlinks? And how can these ...
Leto:
2007
Vir:
videolectures.net