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Related papers: SE#PCFG: Semantically Enhanced PCFG for Password A…

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In recent years, numerous incidents involving the leakage of website accounts and text passwords (referred to as passwords) have raised significant concerns regarding the potential exposure of personal information. These events underscore…

Cryptography and Security · Computer Science 2026-04-07 Abel C. H. Chen

Unsupervised constituency parsers organize phrases within a sentence into a tree-shaped syntactic constituent structure that reflects the organization of sentence semantics. However, the traditional objective of maximizing sentence…

Computation and Language · Computer Science 2025-04-07 Junjie Chen , Xiangheng He , Yusuke Miyao , Danushka Bollegala

Efficient password cracking is a critical aspect of digital forensics, enabling investigators to decrypt protected content during criminal investigations. Traditional password cracking methods, including brute-force, dictionary and…

Cryptography and Security · Computer Science 2025-04-07 Mohamad Hachem , Adam Lanfranchi , Nathan Clarke , Joakim Kavrestad

Passwords are the most common mechanism for authenticating users online. However, studies have shown that users find it difficult to create and manage secure passwords. To that end, passphrases are often recommended as a usable alternative…

Cryptography and Security · Computer Science 2023-03-17 Avirup Mukherjee , Kousshik Murali , Shivam Kumar Jha , Niloy Ganguly , Rahul Chatterjee , Mainack Mondal

Compound probabilistic context-free grammars (C-PCFGs) have recently established a new state of the art for unsupervised phrase-structure grammar induction. However, due to the high space and time complexities of chart-based representation…

Computation and Language · Computer Science 2023-10-24 Yanpeng Zhao , Ivan Titov

This paper presents a method for detecting mispronunciations with the aim of improving Computer Assisted Language Learning (CALL) tools used by foreign language learners. The algorithm is based on Principle Component Analysis (PCA). It is…

Sound · Computer Science 2016-02-29 Zhenhao Ge , Sudhendu R. Sharma , Mark J. T. Smith

Human-chosen passwords are the a dominant form of authentication systems. Passwords strength estimators are used to help users avoid picking weak passwords by predicting how many attempts a password cracker would need until it finds a given…

Cryptography and Security · Computer Science 2020-05-06 Liron David , Avishai Wool

Probabilistic context-free grammars (PCFGs) with neural parameterization have been shown to be effective in unsupervised phrase-structure grammar induction. However, due to the cubic computational complexity of PCFG representation and…

Computation and Language · Computer Science 2021-04-29 Songlin Yang , Yanpeng Zhao , Kewei Tu

In this paper, we introduce SecQA, a novel dataset tailored for evaluating the performance of Large Language Models (LLMs) in the domain of computer security. Utilizing multiple-choice questions generated by GPT-4 based on the "Computer…

Computation and Language · Computer Science 2023-12-27 Zefang Liu

Semantic search technology has received more attention in the last years. Compared with the keyword based search, semantic search is used to excavate the latent semantics information and help users find the information items that they want…

Information Retrieval · Computer Science 2014-06-30 Yinglong Ma , Moyi Shi

Safety mechanisms for large language models (LLMs) remain predominantly English-centric, creating systematic vulnerabilities in multilingual deployment. Prior work shows that translating malicious prompts into other languages can…

Computation and Language · Computer Science 2026-04-29 Shirin Alanova , Bogdan Minko , Sabrina Sadiekh , Evgeniy Kokuykin

The problem of identifying a probabilistic context free grammar has two aspects: the first is determining the grammar's topology (the rules of the grammar) and the second is estimating probabilistic weights for each rule. Given the hardness…

Formal Languages and Automata Theory · Computer Science 2021-03-10 Dolav Nitay , Dana Fisman , Michal Ziv-Ukelson

Recent studies have revealed that grammatical error correction methods in the sequence-to-sequence paradigm are vulnerable to adversarial attack, and simply utilizing adversarial examples in the pre-training or post-training process can…

Computation and Language · Computer Science 2023-10-24 Zecheng Tang , Kaifeng Qi , Juntao Li , Min Zhang

The task of semantic parsing is highly useful for dialogue and question answering systems. Many datasets have been proposed to map natural language text into SQL, among which the recent Spider dataset provides cross-domain samples with…

Computation and Language · Computer Science 2019-10-17 Qingkai Min , Yuefeng Shi , Yue Zhang

The increasing adoption of Cloud-based Large Language Models (CLLMs) has raised significant concerns regarding data privacy during user interactions. While existing approaches primarily focus on encrypting sensitive information, they often…

Cryptography and Security · Computer Science 2025-08-05 Dong Chen , Tong Yang , Feipeng Zhai , Pengpeng Ouyang , Qidong Liu , Yafei Li , Chong Fu , Mingliang Xu

Textual passwords are still the most widely used user authentication mechanism. Due to the close connections between textual passwords and natural languages, advanced technologies in natural language processing (NLP) and machine learning…

Cryptography and Security · Computer Science 2024-07-22 Yangde Wang , Haozhang Li , Weidong Qiu , Shujun Li , Peng Tang

Context: A deeper understanding of human factors in software engineering (SE) is essential for improving team collaboration, decision-making, and productivity. Communication channels like code reviews and chats provide insights into…

Software Engineering · Computer Science 2025-04-21 Amirali Sajadi , Kostadin Damevski , Preetha Chatterjee

The choice of password composition policy to enforce on a password-protected system represents a critical security decision, and has been shown to significantly affect the vulnerability of user-chosen passwords to guessing attacks. In…

Cryptography and Security · Computer Science 2024-03-18 Saul Johnson , João F. Ferreira , Alexandra Mendes , Julien Cordry

Evaluating Large Language Models (LLMs) is crucial for understanding their capabilities and limitations across various applications, including natural language processing and code generation. Existing benchmarks like MMLU, C-Eval, and…

Cryptography and Security · Computer Science 2025-01-07 Pengfei Jing , Mengyun Tang , Xiaorong Shi , Xing Zheng , Sen Nie , Shi Wu , Yong Yang , Xiapu Luo

In the domain of semantic parsing, significant progress has been achieved in Text-to-SQL and question-answering tasks, both of which focus on extracting information from data sources in their native formats. However, the inherent…

Machine Learning · Computer Science 2025-04-08 Saleh Almohaimeed , Shenyang Liu , May Alsofyani , Saad Almohaimeed , Liqiang Wang
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