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Topic model. In statistics and natural language processing, a topic model is a type of statistical model for discovering the abstract "topics" that occur in a collection of documents. Topic modeling is a frequently used text-mining tool for discovery of hidden semantic structures in a text body. Intuitively, given that a document is about a ...
In natural language processing, latent Dirichlet allocation ( LDA) is a Bayesian network (and, therefore, a generative statistical model) for modeling automatically extracted topics in textual corpora. The LDA is an example of a Bayesian topic model. In this, observations (e.g., words) are collected into documents, and each word's presence is ...
In the original paper, a dynamic topic model is applied to the corpus of Science articles published between 1881 and 1999 aiming to show that this method can be used to analyze the trends of word usage inside topics. [1] The authors also show that the model trained with past documents is able to fit documents of an incoming year better than LDA.
Aitken's delta-squared process — most useful for linearly converging sequences. Minimum polynomial extrapolation — for vector sequences. Richardson extrapolation. Shanks transformation — similar to Aitken's delta-squared process, but applied to the partial sums. Van Wijngaarden transformation — for accelerating the convergence of an ...
The heuristic-systematic model of information processing (HSM) is a widely recognized [citation needed] model by Shelly Chaiken that attempts to explain how people receive and process persuasive messages. [1] The model states that individuals can process messages in one of two ways: heuristically or systematically. Systematic processing entails ...
Now, however, Hot Topic has realized that it's got plenty in common with ThinkGeek, and has decided to swallow the niche retailer in a deal worth $122 million. Hot Topic CEO Lisa Harper believes ...
Hot Topic, Inc. (stylized as HOT TOPIC) is an American fast-fashion company specializing in counterculture-related clothing and accessories, as well as licensed music. The stores are aimed towards an audience interested in rock music and video gaming , and most of their audience ranges from teens to young adults.
In systems engineering, information systems and software engineering, the systems development life cycle ( SDLC ), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. [ 1] The SDLC concept applies to a range of hardware and software configurations, as a ...
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