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This work presents a novel approach for speaker diarization to leverage lexical information provided by automatic speech recognition. We propose a speaker diarization system that can incorporate word-level speaker turn probabilities with…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-16 Tae Jin Park , Kyu J. Han , Jing Huang , Xiaodong He , Bowen Zhou , Panayiotis Georgiou , Shrikanth Narayanan

The paper presents a comparison of various soft computing techniques used for filtering and enhancing speech signals. The three major techniques that fall under soft computing are neural networks, fuzzy systems and genetic algorithms. Other…

Artificial Intelligence · Computer Science 2012-09-21 Sachin Lakra , T. V. Prasad , G. Ramakrishna

Syllable detection is an important speech analysis task with applications in speech rate estimation, word segmentation, and automatic prosody detection. Based on the well understood acoustic correlates of speech articulation, it has been…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-09 Kamini Sabu , Syomantak Chaudhuri , Preeti Rao , Mahesh Patil

With the rapid growth of social media on the web, emotional polarity computation has become a flourishing frontier in the text mining community. However, it is challenging to understand the latest trends and summarize the state or general…

Computation and Language · Computer Science 2017-01-05 Amir Hossein Yazdavar , Monireh Ebrahimi , Naomie Salim

The problem of correctly segmenting touching characters is an hard task to solve and it is of major relevance in pattern recognition. In the recent years, many methods and algorithms have been proposed; still, a definitive solution is far…

Computer Vision and Pattern Recognition · Computer Science 2016-12-16 Giuseppe Airò Farulla , Nadir Murru , Rosaria Rossini

Language Identification (LID) is an important component of many multilingual natural language processing pipelines, where it facilitates corpus curation, training data analysis, and cross-lingual evaluation of large language models. Despite…

Computation and Language · Computer Science 2026-02-20 Clara Meister , Ahmetcan Yavuz , Pietro Lesci , Tiago Pimentel

Many scene text recognition approaches are based on purely visual information and ignore the semantic relation between scene and text. In this paper, we tackle this problem from natural language processing perspective to fill the gap…

Computer Vision and Pattern Recognition · Computer Science 2018-10-31 Ahmed Sabir , Francesc Moreno-Noguer , Lluís Padró

Sentiment analysis is a domain of study that focuses on identifying and classifying the ideas expressed in the form of text into positive, negative and neutral polarities. Feature selection is a crucial process in machine learning. In this…

Computation and Language · Computer Science 2020-02-04 Avinash Madasu , Sivasankar E

Most fuzzy systems including fuzzy decision support and fuzzy control systems provide out-puts in the form of fuzzy sets that represent the inferred conclusions. Linguistic interpretation of such outputs often involves the use of linguistic…

Artificial Intelligence · Computer Science 2013-01-30 Ryszard Kowalczyk

Keyword spotting systems continuously process audio streams to detect keywords. One of the most challenging tasks in designing such systems is to reduce False Alarm (FA) which happens when the system falsely registers a keyword despite the…

Signal Processing · Electrical Eng. & Systems 2023-04-10 Yashas Malur Saidutta , Rakshith Sharma Srinivasa , Ching-Hua Lee , Chouchang Yang , Yilin Shen , Hongxia Jin

Language models can largely benefit from efficient tokenization. However, they still mostly utilize the classical BPE algorithm, a simple and reliable method. This has been shown to cause such issues as under-trained tokens and sub-optimal…

Computation and Language · Computer Science 2024-09-10 Pavel Chizhov , Catherine Arnett , Elizaveta Korotkova , Ivan P. Yamshchikov

This paper proposes to use distributed representation of words (word embeddings) in cross-language textual similarity detection. The main contributions of this paper are the following: (a) we introduce new cross-language similarity…

Computation and Language · Computer Science 2017-02-13 J. Ferrero , F. Agnes , L. Besacier , D. Schwab

The Fuzzy Gene Filter (FGF) is an optimised Fuzzy Inference System designed to rank genes in order of differential expression, based on expression data generated in a microarray experiment. This paper examines the effectiveness of the FGF…

Machine Learning · Computer Science 2011-08-24 Meir Perez , Tshilidzi Marwala

Suggesting similar questions for a user query has many applications ranging from reducing search time of users on e-commerce websites, training of employees in companies to holistic learning for students. The use of Natural Language…

Computation and Language · Computer Science 2022-04-27 Shriniwas Nayak , Anuj Kanetkar , Hrushabh Hirudkar , Archana Ghotkar , Sheetal Sonawane , Onkar Litake

Despite the widely reported success of embedding-based machine learning methods on natural language processing tasks, the use of more easily interpreted engineered features remains common in fields such as cognitive impairment (CI)…

Machine Learning · Computer Science 2020-10-14 Benjamin Eyre , Aparna Balagopalan , Jekaterina Novikova

We propose task-adaptive tokenization as a way to adapt the generation pipeline to the specifics of a downstream task and enhance long-form generation in mental health. Inspired by insights from cognitive science, our task-adaptive…

Computation and Language · Computer Science 2023-11-14 Siyang Liu , Naihao Deng , Sahand Sabour , Yilin Jia , Minlie Huang , Rada Mihalcea

Many NLP applications, such as biomedical data and technical support, have 10-100 million tokens of in-domain data and limited computational resources for learning from it. How should we train a language model in this scenario? Most…

Computation and Language · Computer Science 2020-10-01 Charles Welch , Rada Mihalcea , Jonathan K. Kummerfeld

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

Building effective tokenizers for multilingual Large Language Models (LLMs) requires careful control over language-specific data mixtures. While a tokenizer's compression performance critically affects the efficiency of LLM training and…

Computation and Language · Computer Science 2026-01-21 Inho Won , Hangyeol Yoo , Minkyung Cho , Jungyeul Park , Hoyun Song , KyungTae Lim

The problem of storing a set of strings --- a string dictionary --- in compact form appears naturally in many cases. While classically it has represented a small part of the whole data to be processed (e.g., for Natural Language processing…

Data Structures and Algorithms · Computer Science 2011-01-31 Nieves R. Brisaboa , Rodrigo Cánovas , Miguel A. Martínez-Prieto , Gonzalo Navarro