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As large language models become more prevalent, their possible harmful or inappropriate responses are a cause for concern. This paper introduces a unique dataset containing adversarial examples in the form of questions, which we call AttaQ,…

Computation and Language · Computer Science 2023-11-08 George Kour , Marcel Zalmanovici , Naama Zwerdling , Esther Goldbraich , Ora Nova Fandina , Ateret Anaby-Tavor , Orna Raz , Eitan Farchi

Topic modeling is widely used for uncovering thematic structures within text corpora, yet traditional models often struggle with specificity and coherence in domain-focused applications. Guided approaches, such as SeededLDA and CorEx,…

Computation and Language · Computer Science 2025-05-23 Chia-Hsuan Chang , Jui-Tse Tsai , Yi-Hang Tsai , San-Yih Hwang

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

Topic models have been the prominent tools for automatic topic discovery from text corpora. Despite their effectiveness, topic models suffer from several limitations including the inability of modeling word ordering information in…

Computation and Language · Computer Science 2022-02-10 Yu Meng , Yunyi Zhang , Jiaxin Huang , Yu Zhang , Jiawei Han

Machine learning models have been shown to leak information violating the privacy of their training set. We focus on membership inference attacks on machine learning models which aim to determine whether a data point was used to train the…

Cryptography and Security · Computer Science 2020-09-02 Shadi Rahimian , Tribhuvanesh Orekondy , Mario Fritz

Background: Unstructured and textual data is increasing rapidly and Latent Dirichlet Allocation (LDA) topic modeling is a popular data analysis methods for it. Past work suggests that instability of LDA topics may lead to systematic errors.…

Computation and Language · Computer Science 2018-09-04 Mika Mäntylä , Maëlick Claes , Umar Farooq

Understanding toxicity in user conversations is undoubtedly an important problem. Addressing "covert" or implicit cases of toxicity is particularly hard and requires context. Very few previous studies have analysed the influence of…

Computation and Language · Computer Science 2022-10-19 Atijit Anuchitanukul , Julia Ive , Lucia Specia

We propose a new algorithm for topic modeling, Vec2Topic, that identifies the main topics in a corpus using semantic information captured via high-dimensional distributed word embeddings. Our technique is unsupervised and generates a list…

Computation and Language · Computer Science 2016-03-16 Ramandeep S Randhawa , Parag Jain , Gagan Madan

Though many deep learning-based models have made great progress in vulnerability detection, we have no good understanding of these models, which limits the further advancement of model capability, understanding of the mechanism of model…

Software Engineering · Computer Science 2024-08-15 Chao Ni , Liyu Shen , Xiaodan Xu , Xin Yin , Shaohua Wang

Information leakage is becoming a critical problem as various information becomes publicly available by mistake, and machine learning models train on that data to provide services. As a result, one's private information could easily be…

Machine Learning · Computer Science 2022-12-02 Geon Heo , Steven Euijong Whang

In today's digital landscape, the importance of timely and accurate vulnerability detection has significantly increased. This paper presents a novel approach that leverages transformer-based models and machine learning techniques to…

Software Engineering · Computer Science 2025-01-10 Daniele Cipollone , Changjie Wang , Mariano Scazzariello , Simone Ferlin , Maliheh Izadi , Dejan Kostic , Marco Chiesa

Topic models are widely used unsupervised models capable of learning topics - weighted lists of words and documents - from large collections of text documents. When topic models are used for discovery of topics in text collections, a…

Information Retrieval · Computer Science 2021-09-03 Damir Korenčić , Strahil Ristov , Jelena Repar , Jan Šnajder

Research background: With the continuous development of society, consumers pay more attention to the key information of product fine-grained attributes when shopping. Research purposes: This study will fine tune the Sentence-BERT word…

Computation and Language · Computer Science 2025-04-14 Jianheng Li , Lirong Chen

The criminal underground is populated with forum marketplaces where, allegedly, cybercriminals share and trade knowledge, skills, and cybercrime products. However, it is still unclear whether all marketplaces matter the same in the overall…

Cryptography and Security · Computer Science 2023-06-14 Michele Campobasso , Radu Rădulescu , Sylvan Brons , Luca Allodi

Aviation safety is a global concern, requiring detailed investigations into incidents to understand contributing factors comprehensively. This study uses the National Transportation Safety Board (NTSB) dataset. It applies advanced natural…

Artificial Intelligence · Computer Science 2025-01-15 Aziida Nanyonga , Hassan Wasswa , Ugur Turhan , Keith Joiner , Graham Wild

Identifying argument components from unstructured texts and predicting the relationships expressed among them are two primary steps of argument mining. The intrinsic complexity of these tasks demands powerful learning models. While…

Computation and Language · Computer Science 2022-03-25 Subhabrata Dutta , Jeevesh Juneja , Dipankar Das , Tanmoy Chakraborty

Topic models aim to reveal latent structures within a corpus of text, typically through the use of term-frequency statistics over bag-of-words representations from documents. In recent years, conceptual entities -- interpretable,…

Computation and Language · Computer Science 2024-08-27 Manuel V. Loureiro , Steven Derby , Tri Kurniawan Wijaya

Social media platforms enable instant and ubiquitous connectivity and are essential to social interaction and communication in our technological society. Apart from its advantages, these platforms have given rise to negative behaviors in…

Social and Information Networks · Computer Science 2025-05-08 Silvia García-Méndez , Francisco De Arriba-Pérez

In recent years, diffusion models have achieved remarkable success in the realm of high-quality image generation, garnering increased attention. This surge in interest is paralleled by a growing concern over the security threats associated…

Machine Learning · Computer Science 2024-06-04 Sen Li , Junchi Ma , Minhao Cheng

User behaviour analysis based on traffic log in wireless networks can be beneficial to many fields in real life: not only for commercial purposes, but also for improving network service quality and social management. We cluster users into…

Social and Information Networks · Computer Science 2015-11-19 Bingjie Leng , Jingchu Liu , Huimin Pan , Sheng Zhou , Zhisheng Niu