منابع مشابه
Research portfolio analysis and topic prominence
Stakeholders in the science system need to decide where to place their bets. Example questions include: Which areas of research should get more funding? Who should we hire? Which projects should we abandon and which new projects should we start? Making informed choices requires knowledge about these research options. Unfortunately, to date research portfolio options have not been defined in a c...
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It has always been a burden to the users of statistical topic models to predetermine the right number of topics, which is a key parameter of most topic models. Conventionally, automatic selection of this parameter is done through either statistical model selection (e.g., cross-validation, AIC, or BIC) or Bayesian nonparametric models (e.g., hierarchical Dirichlet process). These methods either ...
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In this paper, we train a Latent Dirichlet Allocation (LDA) topic model on the ClueWeb12 data set, a 27-terabyte Web crawl. We extend Spark, a popular tool for performing large-scale data analysis, with an asynchronous parameter server. Such a parameter server provides a distributed and concurrently accessed parameter space for the model. A Metropolis-Hastings based collapsed Gibbs sampler is i...
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Prosody fulfills a variety of functions in dialogues. Our study examines the relationship between different levels of perceived prominence of syllables and the linguistic and paralinguistic categories accent and emphasis which are conveyed prosodically. It is still unclear, how a notational system might look like that is able to capture the fine–grained differences between both. The notion of p...
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ژورنال
عنوان ژورنال: ZAS Papers in Linguistics
سال: 2000
ISSN: 1435-9588
DOI: 10.21248/zaspil.20.2000.77