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Statistical topic models efficiently facilitate the exploration of large-scale data sets. Many models have been developed and broadly used to summarize the semantic structure in news, science, social media, and digital humanities. However,…

Machine Learning · Computer Science 2016-12-02 Jian Tang , Cheng Li , Ming Zhang , Qiaozhu Mei

Understanding source code is a topic of great interest in the software engineering community, since it can help programmers in various tasks such as software maintenance and reuse. Recent advances in large language models (LLMs) have…

Software Engineering · Computer Science 2025-04-25 Michele Carissimi , Martina Saletta , Claudio Ferretti

Future Information Retrieval, especially in connection with the internet, will incorporate the content descriptions that are generated with social network extraction technologies and preferably incorporate the probability theory for…

Information Retrieval · Computer Science 2012-07-17 Mahyuddin K. M. Nasution , Shahrul Azman Noah

Recently, there has been considerable progress on designing algorithms with provable guarantees -- typically using linear algebraic methods -- for parameter learning in latent variable models. But designing provable algorithms for inference…

Machine Learning · Computer Science 2016-05-30 Sanjeev Arora , Rong Ge , Frederic Koehler , Tengyu Ma , Ankur Moitra

Recently there has been significant activity in developing algorithms with provable guarantees for topic modeling. In standard topic models, a topic (such as sports, business, or politics) is viewed as a probability distribution $\vec a_i$…

Machine Learning · Computer Science 2016-11-07 Avrim Blum , Nika Haghtalab

Twitter is a well-known microblogging social site where users express their views and opinions in real-time. As a result, tweets tend to contain valuable information. With the advancements of deep learning in the domain of natural language…

Computation and Language · Computer Science 2020-10-22 Mohiuddin Md Abdul Qudar , Vijay Mago

Extracting topics from large collections of unstructured text-documents has become a central task in current NLP applications and algorithms like NMF, LDA as well as their generalizations are the well-established current state of the art.…

Social and Information Networks · Computer Science 2021-11-23 Mattias Luber , Anton Thielmann , Christoph Weisser , Benjamin Säfken

This paper introduces a large collection of time series data derived from Twitter, postprocessed using word embedding techniques, as well as specialized fine-tuned language models. This data comprises the past five years and captures…

Computation and Language · Computer Science 2023-08-07 Daniel Loureiro , Kiamehr Rezaee , Talayeh Riahi , Francesco Barbieri , Leonardo Neves , Luis Espinosa Anke , Jose Camacho-Collados

This note is a short description of TeCoMiner, an interactive tool for exploring the topic content of text collections. Unlike other topic modeling tools, TeCoMiner is not based on some generative probabilistic model but on topological…

Computation and Language · Computer Science 2021-03-25 Andreas Hamm , Jana Thelen , Rasmus Beckmann , Simon Odrowski

Topic models are used to identify and group similar themes in a set of documents. Recent advancements in deep learning based neural topic models has received significant research interest. In this paper, an approach is proposed that further…

Computation and Language · Computer Science 2024-10-15 Trishia Khandelwal

Topic modeling analyzes a collection of documents to learn meaningful patterns of words. However, previous topic models consider only the spelling of words and do not take into consideration the homography of words. In this study, we…

Computation and Language · Computer Science 2024-10-04 Takashi Shibuya , Takehito Utsuro

Topic modelling is a popular unsupervised method for identifying the underlying themes in document collections that has many applications in information retrieval. A topic is usually represented by a list of terms ranked by their…

Information Retrieval · Computer Science 2020-06-02 Areej Alokaili , Nikolaos Aletras , Mark Stevenson

Decision-making usually takes five steps: identifying the problem, collecting data, extracting evidence, identifying pro and con arguments, and making decisions. Focusing on extracting evidence, this paper presents a hybrid model that…

Information Retrieval · Computer Science 2021-02-04 Patrick Abels , Zahra Ahmadi , Sophie Burkhardt , Benjamin Schiller , Iryna Gurevych , Stefan Kramer

This paper is concerned with paraphrase detection. The ability to detect similar sentences written in natural language is crucial for several applications, such as text mining, text summarization, plagiarism detection, authorship…

Information Retrieval · Computer Science 2018-07-18 Basant Agarwal , Heri Ramampiaro , Helge Langseth , Massimiliano Ruocco

Topic lifecycle analysis on Twitter, a branch of study that investigates Twitter topics from their birth through lifecycle to death, has gained immense mainstream research popularity. In the literature, topics are often treated as one of…

Social and Information Networks · Computer Science 2018-01-19 Kuntal Dey , Saroj Kaushik , Kritika Garg , Ritvik Shrivastava

Twitter is a popular social network platform where users can interact and post texts of up to 280 characters called tweets. Hashtags, hyperlinked words in tweets, have increasingly become crucial for tweet retrieval and search. Using…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-29 Vibhuti Gupta , Rattikorn Hewett

A word embedding is a low-dimensional, dense and real- valued vector representation of a word. Word embeddings have been used in many NLP tasks. They are usually gener- ated from a large text corpus. The embedding of a word cap- tures both…

Computation and Language · Computer Science 2017-08-15 Quanzhi Li , Sameena Shah , Xiaomo Liu , Armineh Nourbakhsh

During broadcast events such as the Superbowl, the U.S. Presidential and Primary debates, etc., Twitter has become the de facto platform for crowds to share perspectives and commentaries about them. Given an event and an associated…

Social and Information Networks · Computer Science 2012-12-24 Yuheng Hu , Ajita John , Fei Wang , Subbarao Kambhampati

While most topic modeling algorithms model text corpora with unigrams, human interpretation often relies on inherent grouping of terms into phrases. As such, we consider the problem of discovering topical phrases of mixed lengths. Existing…

Computation and Language · Computer Science 2014-11-20 Ahmed El-Kishky , Yanglei Song , Chi Wang , Clare Voss , Jiawei Han

In recent years, social networks have shown diversity in function and applications. People begin to use multiple online social networks simultaneously for different demands. The ability to uncover a user's latent topic and social network…

Social and Information Networks · Computer Science 2021-09-13 Ziqing Zhu , Jiuxin Cao , Tao Zhou , Huiyu Min , Bo Liu
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