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Probabilistic topic modeling is a popular and powerful family of tools for uncovering thematic structure in large sets of unstructured text documents. While much attention has been directed towards the modeling algorithms and their various…

Information Retrieval · Computer Science 2014-12-01 Samuel Rönnqvist , Xiaolu Wang , Peter Sarlin

Data of sequential nature arise in many application domains in forms of, e.g. textual data, DNA sequences, and software execution traces. Different research disciplines have developed methods to learn sequence models from such datasets: (i)…

Machine Learning · Statistics 2018-11-02 Niek Tax , Irene Teinemaa , Sebastiaan J. van Zelst

Humans have an incredible ability to process and understand information from multiple sources such as images, video, text, and speech. Recent success of deep neural networks has enabled us to develop algorithms which give machines the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 Dheeraj Peri , Shagan Sah , Raymond Ptucha

Summarizing texts is not a straightforward task. Before even considering text summarization, one should determine what kind of summary is expected. How much should the information be compressed? Is it relevant to reformulate or should the…

Computation and Language · Computer Science 2020-07-16 Paul Tardy , David Janiszek , Yannick Estève , Vincent Nguyen

Topic models have been widely explored as probabilistic generative models of documents. Traditional inference methods have sought closed-form derivations for updating the models, however as the expressiveness of these models grows, so does…

Computation and Language · Computer Science 2018-05-23 Yishu Miao , Edward Grefenstette , Phil Blunsom

This study contributes to the literature by considering the difference in vocabulary used to express document content and information needs. Users are integrated into all research phases in order to provide them with relevant information…

Information Retrieval · Computer Science 2024-05-28 Minyar Sassi Hidri

This paper presents novel prompting techniques to improve the performance of automatic summarization systems for scientific articles. Scientific article summarization is highly challenging due to the length and complexity of these…

Computation and Language · Computer Science 2023-12-18 Aldan Creo , Manuel Lama , Juan C. Vidal

Following a particular news story online is an important but difficult task, as the relevant information is often scattered across different domains/sources (e.g., news articles, blogs, comments, tweets), presented in various formats and…

Computation and Language · Computer Science 2018-08-20 Bichen Shi , Thanh-Binh Le , Neil Hurley , Georgiana Ifrim

We consider the task of linking social media accounts that belong to the same author in an automated fashion on the basis of the content and metadata of their corresponding document streams. We focus on learning an embedding that maps…

Social and Information Networks · Computer Science 2021-05-18 Aleem Khan , Elizabeth Fleming , Noah Schofield , Marcus Bishop , Nicholas Andrews

We introduce a new approach for abstractive text summarization, Topic-Guided Abstractive Summarization, which calibrates long-range dependencies from topic-level features with globally salient content. The idea is to incorporate neural…

Computation and Language · Computer Science 2021-08-31 Chujie Zheng , Kunpeng Zhang , Harry Jiannan Wang , Ling Fan , Zhe Wang

The exponential growth of textual data has created a crucial need for tools that assist users in extracting meaningful insights. Traditional document summarization approaches often fail to meet individual user requirements and lack…

Information Retrieval · Computer Science 2023-07-13 Samira Ghodratnama , Amin Beheshti , Mehrdad Zakershahrak

We present a new algorithm for identifying the transition and emission probabilities of a hidden Markov model (HMM) from the emitted data. Expectation-maximization becomes computationally prohibitive for long observation records, which are…

Computation and Language · Computer Science 2018-06-20 Kejun Huang , Xiao Fu , Nicholas D. Sidiropoulos

With the increasing growth of social media, people have started relying heavily on the information shared therein to form opinions and make decisions. While such a reliance is motivation for a variety of parties to promote information, it…

Computation and Language · Computer Science 2019-12-17 Rahul Radhakrishnan Iyer , Katia Sycara

Topic models are often used to identify human-interpretable topics to help make sense of large document collections. We use knowledge distillation to combine the best attributes of probabilistic topic models and pretrained transformers. Our…

Computation and Language · Computer Science 2020-10-07 Alexander Hoyle , Pranav Goel , Philip Resnik

The research explores the utilization of a deep learning model employing an attention mechanism in medical text mining. It targets the challenge of analyzing unstructured text information within medical data. This research seeks to enhance…

Computation and Language · Computer Science 2024-06-04 Lingxi Xiao , Muqing Li , Yinqiu Feng , Meiqi Wang , Ziyi Zhu , Zexi Chen

When dealing with large collections of documents, it is imperative to quickly get an overview of the texts' contents. In this paper we show how this can be achieved by using a clustering algorithm to identify topics in the dataset and then…

Computation and Language · Computer Science 2017-07-20 Franziska Horn , Leila Arras , Grégoire Montavon , Klaus-Robert Müller , Wojciech Samek

Preventing the spread of misinformation is challenging. The detection of misleading content presents a significant hurdle due to its extreme linguistic and domain variability. Content-based models have managed to identify deceptive language…

Computation and Language · Computer Science 2024-01-30 Flavio Merenda , José Manuel Gómez-Pérez

Understanding identifiability of latent content and style variables from unaligned multi-domain data is essential for tasks such as domain translation and data generation. Existing works on content-style identification were often developed…

Machine Learning · Computer Science 2025-03-04 Sagar Shrestha , Xiao Fu

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

Successful Machine Learning based Named Entity Recognition models could fail on texts from some special domains, for instance, Chinese addresses and e-commerce titles, where requires adequate background knowledge. Such texts are also…

Computation and Language · Computer Science 2022-09-29 Xin Zhang , Yong Jiang , Xiaobin Wang , Xuming Hu , Yueheng Sun , Pengjun Xie , Meishan Zhang