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We present our experience in applying distributional semantics (neural word embeddings) to the problem of representing and clustering documents in a bilingual comparable corpus. Our data is a collection of Russian and Ukrainian academic…

计算与语言 · 计算机科学 2016-04-20 Andrey Kutuzov , Mikhail Kopotev , Tatyana Sviridenko , Lyubov Ivanova

Pre-trained language models have been widely exploited to learn dense representations of documents and queries for information retrieval. While previous efforts have primarily focused on improving effectiveness and user satisfaction,…

信息检索 · 计算机科学 2025-05-01 Cristina Ioana Muntean , Franco Maria Nardini , Raffaele Perego , Guido Rocchietti , Cosimo Rulli

Number of connected devices is steadily increasing and these devices continuously generate data streams. Real-time processing of data streams is arousing interest despite many challenges. Clustering is one of the most suitable methods for…

机器学习 · 计算机科学 2020-07-22 Alaettin Zubaroğlu , Volkan Atalay

One of the challenges for text analysis in medical domains is analyzing large-scale medical documents. As a consequence, finding relevant documents has become more difficult. One of the popular methods to retrieve information based on…

信息检索 · 计算机科学 2019-11-26 Amir Karami , Aryya Gangopadhyay , Bin Zhou , Hadi Kharrazi

Text embedding models enable semantic search, powering several NLP applications like Retrieval Augmented Generation by efficient information retrieval (IR). However, text embedding models are commonly studied in scenarios where the training…

信息检索 · 计算机科学 2025-10-07 Dipam Goswami , Liying Wang , Bartłomiej Twardowski , Joost van de Weijer

Scholars frequently employ relatedness measures to estimate the similarity between two different items (e.g., documents, authors, and institutes). Such relatedness measures are commonly based on overlapping references ($\textit{i.e.}$,…

社会与信息网络 · 计算机科学 2020-04-14 Jinhyuk Yun , Sejung Ahn , June Young Lee

In cancer research, clustering techniques are widely used for exploratory analyses and dimensionality reduction, playing a critical role in the identification of novel cancer subtypes, often with direct implications for patient management.…

统计方法学 · 统计学 2023-05-11 Lorenzo Masoero , Emma Thomas , Giovanni Parmigiani , Svitlana Tyekucheva , Lorenzo Trippa

In this work, we present PoliCorp (https://demo-pollux.gesis.org/), a web portal designed to facilitate the search and analysis of political text corpora. PoliCorp provides researchers with access to rich textual data, enabling in-depth…

数字图书馆 · 计算机科学 2025-09-23 Nina Smirnova , Muhammad Ahsan Shahid , Philipp Mayr

Content based Document Classification is one of the biggest challenges in the context of free text mining. Current algorithms on document classifications mostly rely on cluster analysis based on bag-of-words approach. However that method is…

信息检索 · 计算机科学 2015-12-15 Koushiki Sarkar , Ritwika Law

The community structure of complex networks reveals both their organization and hidden relationships among their constituents. Most community detection methods currently available are not deterministic, and their results typically depend on…

物理与社会 · 物理学 2012-03-29 Andrea Lancichinetti , Santo Fortunato

This paper reports on ongoing research investigating more expressive approaches to spatial-temporal trajectory clustering. Spatial-temporal data is increasingly becoming universal as a result of widespread use of GPS and mobile devices,…

数据库 · 计算机科学 2017-12-12 Ivens Portugal , Paulo Alencar , Donald Cowan

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…

信息检索 · 计算机科学 2008-11-05 Veronila Lux-Pogodalla , Eric San Juan

The quickly-expanding nature of published medical literature makes it challenging for clinicians and researchers to keep up with and summarize recent, relevant findings in a timely manner. While several closed-source summarization tools…

信息检索 · 计算机科学 2023-10-26 Alejandro Lozano , Scott L Fleming , Chia-Chun Chiang , Nigam Shah

Complex criminal investigations are often hindered by large volumes of unstructured evidence and by the semantic gap between natural language investigative intent and technical search logic. To address this challenge, we present a design…

分布式、并行与集群计算 · 计算机科学 2026-04-24 Benjamin Puhani , Kai Brehmer , Malte Prieß

Multiple clustering aims to discover various latent structures of data from different aspects. Deep multiple clustering methods have achieved remarkable performance by exploiting complex patterns and relationships in data. However, existing…

机器学习 · 计算机科学 2024-11-07 Jiawei Yao , Qi Qian , Juhua Hu

Clustering short text is a difficult problem, due to the low word co-occurrence between short text documents. This work shows that large language models (LLMs) can overcome the limitations of traditional clustering approaches by generating…

计算与语言 · 计算机科学 2025-04-08 Justin K. Miller , Tristram J. Alexander

Personalized Retrieval-Augmented Generation (RAG) relies on accurately selecting user-relevant documents. In practice, existing RAG approaches often suffer from high retrieval costs and overlook that collaborative signals from similar users…

信息检索 · 计算机科学 2026-05-20 Gibson Nkhata , Uttamasha Anjally Oyshi , Quan Mai , Susan Gauch

Clustering of high-dimensional data sets is a growing need in artificial intelligence, machine learning and pattern recognition. In this paper, we propose a new clustering method based on a combinatorial-topological approach applied to…

机器学习 · 计算机科学 2025-03-12 Mauricio Toledo-Acosta , Luis Ángel Ramos-García , Jorge Hermosillo-Valadez

Automated fact-checking based on machine learning is a promising approach to identify false information distributed on the web. In order to achieve satisfactory performance, machine learning methods require a large corpus with reliable…

计算与语言 · 计算机科学 2019-11-05 Andreas Hanselowski , Christian Stab , Claudia Schulz , Zile Li , Iryna Gurevych

We present a multimodal search tool that facilitates retrieval of chemical reactions, molecular structures, and associated text from scientific literature. Queries may combine molecular diagrams, textual descriptions, and reaction data,…

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