Results 281 to 290 of about 23,589,100 (342)
Some of the next articles are maybe not open access.

Graph Neural Collaborative Topic Model for Citation Recommendation

ACM Trans. Inf. Syst., 2021
Due to the overload of published scientific articles, citation recommendation has long been a critical research problem for automatically recommending the most relevant citations of given articles.
Qianqian Xie   +4 more
semanticscholar   +1 more source

Topic Modeling

2021
Als zentrales Konstrukt der Kommunikationswissenschaft ist das Thema heute relevanter denn je. Für das Fach besitzt es als Ordnungseinheit der öffentlichen Meinung seit jeher eine besondere Bedeutung, verdankt seinen aktuellen Bedeutungszuwachs über die sozialwissenschaftliche Forschung hinaus aber erst dem Technologiewandel: Mit ihm stieg der Bedarf ...
Manika Lamba, Margam Madhusudhan
openaire   +2 more sources

Combine Topic Modeling with Semantic Embedding: Embedding Enhanced Topic Model

IEEE Transactions on Knowledge and Data Engineering, 2020
Topic model and word embedding reflect two perspectives of text semantics. Topic model maps documents into topic distribution space by utilizing word collocation patterns within and across documents, while word embedding represents words within a ...
P. Zhang   +4 more
semanticscholar   +1 more source

Dynamic topic models

Proceedings of the 23rd international conference on Machine learning - ICML '06, 2006
A family of probabilistic time series models is developed to analyze the time evolution of topics in large document collections. The approach is to use state space models on the natural parameters of the multinomial distributions that represent the topics.
Blei, David M., Lafferty, John D.
openaire   +1 more source

Topic model validation

Neurocomputing, 2012
In this paper the problem of performing external validation of the semantic coherence of topic models is considered. The Fowlkes-Mallows index, a known clustering validation metric, is generalized for the case of overlapping partitions and multi-labeled collections, thus making it suitable for validating topic modeling algorithms.
Ramirez, E   +3 more
openaire   +2 more sources

Deep LDA : A new way to topic model

Journal of Information and Optimization Sciences, 2019
Probabilistic topic models like Latent Semantic Indexing (LSI), Latent Dirichlet Allocation (LDA) and Biterm Topic Model (BTM) have been successfully implemented and used in many areas like movie reviews, recommender systems and text summarization etc ...
M. Bhat   +3 more
semanticscholar   +1 more source

Probabilistic Topic Model for Hybrid Recommender Systems: A Stochastic Variational Bayesian Approach

Marketing science (Providence, R.I.), 2018
This paper proposes a novel covariate-guided heterogeneous supervised topic model for online movie recommendation and develops a stochastic variational Bayesian framework to achieve fast, scalable,...
Asim Ansari, Yang Li, Jonathan Z. Zhang
semanticscholar   +1 more source

The structural topic model for online review analysis

Journal of Hospitality and Tourism Technology, 2018
Purpose The purpose of this study was to explore influences of review-related information on topical proportions and the pattern of word appearances in each topic (topical content) using structural topic model (STM).
E. Park, Bongsug Chae, J. Kwon
semanticscholar   +1 more source

On a Topic Model for Sentences

Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2016
Probabilistic topic models are generative models that describe the content of documents by discovering the latent topics underlying them. However, the structure of the textual input, and for instance the grouping of words in coherent text spans such as ...
Georgios Balikas   +2 more
semanticscholar   +1 more source

Semantic-enhanced topic evolution analysis: a combination of the dynamic topic model and word2vec

Scientometrics, 2022
Qian Gao   +4 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy