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Related papers: Ontology Based Document Clustering Using MapReduce

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To address the requirement of enabling a comprehensive perspective of life-sciences data, Semantic Web technologies have been adopted for standardized representations of data and linkages between data. This has resulted in data warehouses…

Databases · Computer Science 2016-02-03 HyeongSik Kim , Kemafor Anyanwu

We present a feature vector formation technique for documents - Sparse Composite Document Vector (SCDV) - which overcomes several shortcomings of the current distributional paragraph vector representations that are widely used for text…

Computation and Language · Computer Science 2017-05-15 Dheeraj Mekala , Vivek Gupta , Bhargavi Paranjape , Harish Karnick

Text clustering methods were traditionally incorporated into multi-document summarization (MDS) as a means for coping with considerable information repetition. Particularly, clusters were leveraged to indicate information saliency as well…

Computation and Language · Computer Science 2022-05-23 Ori Ernst , Avi Caciularu , Ori Shapira , Ramakanth Pasunuru , Mohit Bansal , Jacob Goldberger , Ido Dagan

Named entities have been considered and combined with keywords to enhance information retrieval performance. However, there is not yet a formal and complete model that takes into account entity names, classes, and identifiers together. Our…

Information Retrieval · Computer Science 2018-07-24 Tru H. Cao , Khanh C. Le , Vuong M. Ngo

Ontologies are widely used for representing domain knowledge and meta data, playing an increasingly important role in Information Systems, the Semantic Web, Bioinformatics and many other domains. However, logical reasoning that ontologies…

Artificial Intelligence · Computer Science 2025-04-08 Jiaoyan Chen , Olga Mashkova , Fernando Zhapa-Camacho , Robert Hoehndorf , Yuan He , Ian Horrocks

We present an approach to model-based hierarchical clustering by formulating an objective function based on a Bayesian analysis. This model organizes the data into a cluster hierarchy while specifying a complex feature-set partitioning that…

Machine Learning · Computer Science 2013-01-18 Shivakumar Vaithyanathan , Byron E Dom

We study supervised learning problems using clustering constraints to impose structure on either features or samples, seeking to help both prediction and interpretation. The problem of clustering features arises naturally in text…

Machine Learning · Computer Science 2016-09-20 Vincent Roulet , Fajwel Fogel , Alexandre d'Aspremont , Francis Bach

Clustering is a long-standing problem area in data mining. The centroid-based classical approaches to clustering mainly face difficulty in the case of high dimensional inputs such as images. With the advent of deep neural networks, a common…

Machine Learning · Computer Science 2024-12-02 Debapriya Roy

Text Document Clustering is one of the fastest growing research areas because of availability of huge amount of information in an electronic form. There are several number of techniques launched for clustering documents in such a way that…

Information Retrieval · Computer Science 2014-01-13 R. Jensi , Dr. G. Wiselin Jiji

Now a days, the text document is spontaneously increasing over the internet, e-mail and web pages and they are stored in the electronic database format. To arrange and browse the document it becomes difficult. To overcome such problem the…

Computation and Language · Computer Science 2013-03-05 Leena H. Patil , Mohammed Atique

Topic models are a useful analysis tool to uncover the underlying themes within document collections. The dominant approach is to use probabilistic topic models that posit a generative story, but in this paper we propose an alternative way…

Computation and Language · Computer Science 2020-10-08 Suzanna Sia , Ayush Dalmia , Sabrina J. Mielke

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

Computation and Language · Computer Science 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

We study in this paper the problem of jointly clustering and learning representations. As several previous studies have shown, learning representations that are both faithful to the data to be clustered and adapted to the clustering…

Machine Learning · Computer Science 2018-12-13 Maziar Moradi Fard , Thibaut Thonet , Eric Gaussier

Previous studies have demonstrated the empirical success of word embeddings in various applications. In this paper, we investigate the problem of learning distributed representations for text documents which many machine learning algorithms…

Computation and Language · Computer Science 2017-09-29 Bin Bi , Hao Ma

Sentence embedding methods offer a powerful approach for working with short textual constructs or sequences of words. By representing sentences as dense numerical vectors, many natural language processing (NLP) applications have improved…

Computation and Language · Computer Science 2021-10-05 Yuan An , Alexander Kalinowski , Jane Greenberg

K-means is a popular clustering method used in data mining area. To work with large datasets, researchers propose PKMeans, which is a parallel k-means on MapReduce. However, the existing k-means parallelization methods including PKMeans…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-30 Shikai Jin , Yuxuan Cui , Chunli Yu

Persistent homology is a methodology central to topological data analysis that extracts and summarizes the topological features within a dataset as a persistence diagram; it has recently gained much popularity from its myriad successful…

Applications · Statistics 2023-11-28 Yueqi Cao , Prudence Leung , Anthea Monod

In-context learning enables language models (LM) to adapt to downstream data or tasks by incorporating few samples as demonstrations within the prompts. It offers strong performance without the expense of fine-tuning. However, the…

Computation and Language · Computer Science 2024-10-15 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Clustering is a popular form of unsupervised learning for geometric data. Unfortunately, many clustering algorithms lead to cluster assignments that are hard to explain, partially because they depend on all the features of the data in a…

Machine Learning · Computer Science 2020-09-23 Sanjoy Dasgupta , Nave Frost , Michal Moshkovitz , Cyrus Rashtchian

Reduced k-means clustering is a method for clustering objects in a low-dimensional subspace. The advantage of this method is that both clustering of objects and low-dimensional subspace reflecting the cluster structure are simultaneously…

Statistics Theory · Mathematics 2014-02-14 Yoshikazu Terada