• No results found

topic modelling

Smart literature review: a practical topic modelling approach to exploratory literature review

Smart literature review: a practical topic modelling approach to exploratory literature review

... use topic modelling to, do an exploratory literature review, decreasing the need for manually reading papers and, enabling the possibility to analyse a greater, almost unlimited, amount of papers, faster, ...

18

Evaluating a Topic Modelling Approach to Measuring Corpus Similarity

Evaluating a Topic Modelling Approach to Measuring Corpus Similarity

... For the time-differentiated G IGAWORD KSC, however, we see a different pattern. For nyt 5678 the best results are achieved with perplexity (n = 3), a method that performs relatively poorly for many other KSC sets. For ...

7

A hierarchical topic modelling approach for tweet clustering

A hierarchical topic modelling approach for tweet clustering

... various topic modelling ap- proaches to tweets [30, 36, 38, 26], reporting mixed results and proving it to be a challenging ...a topic, story or ...hierarchical topic modelling system ...

13

Investigating Topic Modelling for Therapy Dialogue Analysis

Investigating Topic Modelling for Therapy Dialogue Analysis

... probabilistic topic modelling has been applied to patients’ notes to dis- cover relevant clinical concepts and connections between patients (Arnold et ...learning topic models, though recently this ...

10

Statistical data mining for Sina Weibo, a Chinese micro blog: sentiment modelling and randomness reduction for topic modelling

Statistical data mining for Sina Weibo, a Chinese micro blog: sentiment modelling and randomness reduction for topic modelling

... Initial quantitative and time series analyses provide a brief description of the general patterns for the posts, but they are not sufficient for understanding what people generally posted about these companies. Thus, ...

261

The utility of topic modelling for discourse studies

The utility of topic modelling for discourse studies

... of topic modelling, Latent Dirichlet Allocation (LDA; Blei et ...of topic modelling for providing insights that would be of value for studying discourse in large collections of texts, a use ...

22

Similar Document Retrieval using Pattern-Based Topic Modelling for Information Filtering

Similar Document Retrieval using Pattern-Based Topic Modelling for Information Filtering

... ABSTRACT: Topic modelling is widely accepted in the areas of machine learning and text mining, ...each topic is represented by a distribution of ...term-based topic representations may not be ...

5

Assessing citizen science opportunities in forest monitoring using probabilistic topic modelling

Assessing citizen science opportunities in forest monitoring using probabilistic topic modelling

... at topic compositions of several sample documents in our set sug- gests that the quality of the topic assignments for a docu- ment correlates with the size of the text - longer abstracts display a more ...

12

A Multi Classifier Based Prediction Model for Phishing Emails Detection Using Topic Modelling, Named Entity Recognition and Image Processing

A Multi Classifier Based Prediction Model for Phishing Emails Detection Using Topic Modelling, Named Entity Recognition and Image Processing

... mails. Topic modelling is a machine learning and natural language processing technique that we can use to distinguish the topics in a given ...the topic “finance” contains monetary terms such as ...

14

What’s all the talk about? Topic modelling in a mental health Internet support group

What’s all the talk about? Topic modelling in a mental health Internet support group

... a topic modelling algorithm which determines latent topics across a corpus of text based on the distribution of words across the documents which make up the whole ...

12

Can Topic Modelling benefit from Word Sense Information?

Can Topic Modelling benefit from Word Sense Information?

... in topic modelling and, at the same time, perform word sense disambiguation (WSD), Boyd-Graber and Blei (2007) presented LDAWN, a modified LDA algorithm that includes a hidden variable for representing the ...

7

Unsupervised Topic Modelling for Multi Party Spoken Discourse

Unsupervised Topic Modelling for Multi Party Spoken Discourse

... automatic topic segmentation of text and monologue has been prolific, with a variety of approaches ...language modelling, cue phrases, discourse infor- mation and the presence of pronouns or named entities ...

8

Using Topic Modelling Approach for Discovery of Anomalous Cluster in High Dimensional Discrete Data

Using Topic Modelling Approach for Discovery of Anomalous Cluster in High Dimensional Discrete Data

... scanty topic portrayal, is required to have an innate execution advantage over PTM, which utilizes every one of the words in the lexicon to characterize ...

9

A dynamic segmentation based activity discovery through topic modelling

A dynamic segmentation based activity discovery through topic modelling

... Recent developments in ubiquitous and pervasive technologies have made it easier to capture activities through sensors. The “bag-of-word” topic models have been applied to discover latent topics in corpus of ...

6

Nonparametric Bayesian Topic Modelling with Auxiliary Data

Nonparametric Bayesian Topic Modelling with Auxiliary Data

... the topic label or ...HPYP topic model, the tables in a restaurant N are treated as the customers for the parent restaurant P (in the graphical model, P points to N ), and they share the same ...

189

LexSemTm: A Semantic Dataset Based on All words Unsupervised Sense Distribution Learning

LexSemTm: A Semantic Dataset Based on All words Unsupervised Sense Distribution Learning

... 2006) topic mod- els, as detailed in Section ...multi-layer topic models (Chang et ...using topic models, it can be cus- tomised by replacing HDP with newer, more ef- ficient topic ...

12

Understanding big data themes from scientific biomedical literature through topic modeling

Understanding big data themes from scientific biomedical literature through topic modeling

... selection, topic modelling was applied with 25 ...per topic were annotated with the twelve big data themes by seven ...mining, Topic modelling, Big data, Biomedical ...

21

Word and Document Embedding with vMF Mixture Priors on Context Word Vectors

Word and Document Embedding with vMF Mixture Priors on Context Word Vectors

... on topic models ...these topic modelling-based approaches, even those that rely on pre-trained word embed- dings and thus have an added advantage, consid- ering that our model in this setting is only ...

10

Word Sense Induction for Novel Sense Detection

Word Sense Induction for Novel Sense Detection

... via topic modelling — using La- tent Dirichlet Allocation (LDA: Blei et ...the topic model to determine the appropriate sense gran- ularity. Topic modelling is an unsupervised ap- ...

11

Citizen visions for European futures—methodological considerations and implications

Citizen visions for European futures—methodological considerations and implications

... of topic modelling can be applied to identify commonalities in the visions and how the identified topics are distributed across the citizen involvement ...common topic addressing a European citizen ...

8

Show all 10000 documents...

Related subjects