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Text augmentation techniques are widely used in text classification problems to improve the performance of classifiers, especially in low-resource scenarios. Whilst lots of creative text augmentation methods have been designed, they augment…

Computation and Language · Computer Science 2021-09-02 Biyang Guo , Sonqiao Han , Hailiang Huang

Although considerable efforts have been devoted to transformer-based ranking models for document search, the relevance-efficiency tradeoff remains a critical problem for ad-hoc ranking. To overcome this challenge, this paper presents BECR…

Information Retrieval · Computer Science 2022-01-07 Yingrui Yang , Yifan Qiao , Jinjin Shao , Mayuresh Anand , Xifeng Yan , Tao Yang

Automatic text categorization is a complex and useful task for many natural language processing applications. Recent approaches to text categorization focus more on algorithms than on resources involved in this operation. In contrast to…

cmp-lg · Computer Science 2008-02-03 Jose Maria Gomez Hidalgo , Manuel de Buenaga Rodriguez

Large Language Models have undoubtedly revolutionized the Natural Language Processing field, the current trend being to promote one-model-for-all tasks (sentiment analysis, translation, etc.). However, the statistical mechanisms at work in…

Computation and Language · Computer Science 2024-08-26 Célia D'Cruz , Jean-Marc Bereder , Frédéric Precioso , Michel Riveill

In this paper, we address the problem of classifying documents available from the global network of (open access) repositories according to their type. We show that the metadata provided by repositories enabling us to distinguish research…

Digital Libraries · Computer Science 2017-07-14 Aristotelis Charalampous , Petr Knoth

Information retrieval (IR) for precision medicine (PM) often involves looking for multiple pieces of evidence that characterize a patient case. This typically includes at least the name of a condition and a genetic variation that applies to…

Computation and Language · Computer Science 2020-12-18 Jiho Noh , Ramakanth Kavuluru

Modern text retrieval systems often provide a similarity search utility, that allows the user to find efficiently a fixed number k of documents in the data set that are most similar to a given query (here a query is either a simple sequence…

Information Retrieval · Computer Science 2007-06-01 Filippo Geraci , Marco Pellegrini

Recommender systems are essential for guiding users through the vast and diverse landscape of digital content by delivering personalized and relevant suggestions. However, improving both personalization and interpretability remains a…

Information Retrieval · Computer Science 2025-08-05 Danial Ebrat , Tina Aminian , Sepideh Ahmadian , Luis Rueda

Deep research has emerged as an important task that aims to address hard queries through extensive open-web exploration. To tackle it, most prior work equips large language model (LLM)-based agents with opaque web search APIs, enabling…

Information Retrieval · Computer Science 2026-02-26 Chuan Meng , Litu Ou , Sean MacAvaney , Jeff Dalton

Complementary product recommendation, which aims to suggest items that are used together to enhance customer value, is a crucial yet challenging task in e-commerce. While existing graph neural network (GNN) approaches have made significant…

Information Retrieval · Computer Science 2025-12-02 Zekun Xu , Yudi Zhang

Text simplification is a valuable technique. However, current research is limited to sentence simplification. In this paper, we define and investigate a new task of document-level text simplification, which aims to simplify a document…

Computation and Language · Computer Science 2021-10-12 Renliang Sun , Hanqi Jin , Xiaojun Wan

Digital libraries often face the challenge of processing a large volume of diverse document types. The manual collection and tagging of metadata can be a time-consuming and error-prone task. To address this, we aim to develop an automatic…

Layer-wise Relevance Propagation (LRP) and saliency maps have been recently used to explain the predictions of Deep Learning models, specifically in the domain of text classification. Given different attribution-based explanations to…

Information Retrieval · Computer Science 2018-12-04 Wenting Xiong , Iftitahu Ni'mah , Juan M. G. Huesca , Werner van Ipenburg , Jan Veldsink , Mykola Pechenizkiy

We developed a system, TermWatch (https://stid-bdd.iut.univ-metz.fr/TermWatch/index.pl), which combines a linguistic extraction of terms, their structuring into a terminological network with a clustering algorithm. In this paper we explore…

Information Retrieval · Computer Science 2008-11-05 Veronila Lux-Pogodalla , Eric San Juan

Text simplification is one of the domains in Natural Language Processing (NLP) that offers an opportunity to understand the text in a simplified manner for exploration. However, it is always hard to understand and retrieve knowledge from…

Computation and Language · Computer Science 2023-04-18 Muhammad Salman , Armin Haller , Sergio J. Rodríguez Méndez

In this paper we deal with the notion of semantic loss in Peer Data Management Systems (PDMS) queries. We define such a notion and we give a mechanism that discovers semantic loss in a PDMS network. Next, we propose an algorithm that…

Databases · Computer Science 2011-07-18 Yannis Delveroudis , Paraskevas V. Lekeas

This paper explores techniques that focus on understanding and resolving ambiguity in language within the field of natural language processing (NLP), highlighting the complexity of linguistic phenomena such as polysemy and homonymy and…

Computation and Language · Computer Science 2024-03-26 Miuru Abeysiriwardana , Deshan Sumanathilaka

In cross-lingual text classification, it is required that task-specific training data in high-resource source languages are available, where the task is identical to that of a low-resource target language. However, collecting such training…

Computation and Language · Computer Science 2021-09-13 Nuttapong Chairatanakul , Noppayut Sriwatanasakdi , Nontawat Charoenphakdee , Xin Liu , Tsuyoshi Murata

This paper presents Semantic SentenceRank (SSR), an unsupervised scheme for automatically ranking sentences in a single document according to their relative importance. In particular, SSR extracts essential words and phrases from a text…

Information Retrieval · Computer Science 2020-05-06 Hao Zhang , Jie Wang

Document parsing (DP) transforms unstructured or semi-structured documents into structured, machine-readable representations, enabling downstream applications such as knowledge base construction and retrieval-augmented generation (RAG).…

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