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A hypergraph is a useful combinatorial object to model ternary or higher-order relations among entities. Clustering hypergraphs is a fundamental task in network analysis. In this study, we develop two clustering algorithms based on…

Data Structures and Algorithms · Computer Science 2021-10-27 Yuuki Takai , Atsushi Miyauchi , Masahiro Ikeda , Yuichi Yoshida

Biclustering is a two way clustering approach involving simultaneous clustering along two dimensions of the data matrix. Finding biclusters of web objects (i.e. web users and web pages) is an emerging topic in the context of web usage…

Neural and Evolutionary Computing · Computer Science 2011-06-14 R. Rathipriya , Dr. K. Thangavel , J. Bagyamani

The growth of the World Wide Web has emphasized the need for improvement in user latency. One of the techniques that are used for improving user latency is Caching and another is Web Prefetching. Approaches that bank solely on caching offer…

Networking and Internet Architecture · Computer Science 2011-02-04 Debajyoti Mukhopadhyay , Priyanka Mishra , Dwaipayan Saha , Young-Chon Kim

The PageRank algorithm employed at Google assigns a measure of importance to each web page for rankings in search results. In our recent papers, we have proposed a distributed randomized approach for this algorithm, where web pages are…

Systems and Control · Computer Science 2016-11-15 Hideaki Ishii , Roberto Tempo , Er-Wei Bai

The Web has become a potentially infinite information resource, turning into an essential tool for many daily activities. This resulted in an increase in the amount of information available in users' contexts that is not taken into account…

Information Retrieval · Computer Science 2018-10-11 Carlos M. Lorenzetti

We demonstrate a method to optimize the combination of distinct components in a paragraph retrieval system. Our system makes use of several indices, query generators and filters, each of them potentially contributing to the quality of the…

Information Retrieval · Computer Science 2014-08-12 Boris Iolis , Gianluca Bontempi

Multi-document summarization aims to obtain core information from a collection of documents written on the same topic. This paper proposes a new holistic framework for unsupervised multi-document extractive summarization. Our method…

Computation and Language · Computer Science 2023-09-11 Haopeng Zhang , Sangwoo Cho , Kaiqiang Song , Xiaoyang Wang , Hongwei Wang , Jiawei Zhang , Dong Yu

Unsupervised clustering of wafer map defect patterns is challenging because the appearance of certain defect patterns varies significantly. This includes changing shape, location, density, and rotation of the defect area on the wafer. We…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Alina Pleli , Simon Baeuerle , Michel Janus , Jonas Barth , Ralf Mikut , Hendrik P. A. Lensch

With the wide development of databases in general and data warehouses in particular, it is important to reduce the tasks that a database administrator must perform manually. The idea of using data mining techniques to extract useful…

Databases · Computer Science 2007-05-23 Kamel Aouiche , Jérôme Darmont

Long documents such as academic articles and business reports have been the standard format to detail out important issues and complicated subjects that require extra attention. An automatic summarization system that can effectively…

Computation and Language · Computer Science 2022-07-05 Huan Yee Koh , Jiaxin Ju , Ming Liu , Shirui Pan

Keyphrase extraction is the task of extracting a small set of phrases that best describe a document. Most existing benchmark datasets for the task typically have limited numbers of annotated documents, making it challenging to train…

Computation and Language · Computer Science 2020-10-26 Tuan Manh Lai , Trung Bui , Doo Soon Kim , Quan Hung Tran

The selection of a suitable document representation approach plays a crucial role in the performance of a document clustering task. Being able to pick out representative words within a document can lead to substantial improvements in…

Information Retrieval · Computer Science 2016-06-15 Alberto P. García-Plaza , Víctor Fresno , Raquel Martínez , Arkaitz Zubiaga

The technology of automatic document summarization is maturing and may provide a solution to the information overload problem. Nowadays, document summarization plays an important role in information retrieval. With a large volume of…

Information Retrieval · Computer Science 2012-04-10 Mohsen Pourvali , Mohammad Saniee Abadeh

In this paper, we introduce a large-scale Indonesian summarization dataset. We harvest articles from Liputan6.com, an online news portal, and obtain 215,827 document-summary pairs. We leverage pre-trained language models to develop…

Computation and Language · Computer Science 2020-11-03 Fajri Koto , Jey Han Lau , Timothy Baldwin

Feature selection is an important part of building a machine learning model. By eliminating redundant or misleading features from data, the machine learning model can achieve better performance while reducing the demand on com-puting…

Machine Learning · Computer Science 2021-06-11 Song Tan , Xia He

In this work, we analyze a pseudo-relevance retrieval method based on the results of web search engines. By enriching topics with text data from web search engine result pages and linked contents, we train topic-specific and cost-efficient…

Information Retrieval · Computer Science 2022-03-11 Timo Breuer , Melanie Pest , Philipp Schaer

The result listing from search engines includes a link and a snippet from the web page for each result item. The snippet in the result listing plays a vital role in assisting the user to click on it. This paper proposes a novel approach to…

Information Retrieval · Computer Science 2012-02-14 K. S. Kuppusamy , G. Aghila

We present a novel system providing summaries for Computer Science publications. Through a qualitative user study, we identified the most valuable scenarios for discovery, exploration and understanding of scientific documents. Based on…

In web search, typically a candidate generation step selects a small set of documents---from collections containing as many as billions of web pages---that are subsequently ranked and pruned before being presented to the user. In Bing, the…

Information Retrieval · Computer Science 2018-08-21 Corby Rosset , Damien Jose , Gargi Ghosh , Bhaskar Mitra , Saurabh Tiwary

Information extraction is the task of automatically picking up information of interest from an unconstrained text. Information of interest is usually extracted in two steps. First, sentence level processing locates relevant pieces of…

Artificial Intelligence · Computer Science 2008-02-03 T. Kitani , Y. Eriguchi , M. Hara