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检索条件"主题词=Data and knowledge visualization"
60 条 记 录,以下是31-40 订阅
排序:
VisExPreS: A Visual Interactive Toolkit for User-Driven Evaluations of Embeddings
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IEEE TRANSACTIONS ON visualization AND COMPUTER GRAPHICS 2022年 第7期28卷 2791-2807页
作者: Ghosh, Aindrila Nashaat, Mona Miller, James Quader, Shaikh Univ Alberta Dept Elect & Comp Engn Edmonton AB T6G 2R3 Canada IBM Toronto Software Lab Toronto ON L6G 1C7 Canada
Although popularly used in big-data analytics, dimensionality reduction is a complex, black-box technique whose outcome is difficult to interpret and evaluate. In recent years, a number of quantitative and visual meth... 详细信息
来源: 评论
C-TREND: Temporal cluster graphs for identifying and visualizing trends in multiattribute transactional data
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IEEE TRANSACTIONS ON knowledge AND data ENGINEERING 2008年 第6期20卷 721-735页
作者: Adomavicius, Gediminas Bockstedt, Jesse Univ Minnesota Carlson Sch Management Dept Informat & Decis Sci Minneapolis MN 55455 USA
Organizations and firms are capturing increasingly more data about their customers, suppliers, competitors, and business environment. Most of this data is multiattribute ( multidimensional) and temporal in nature. Dat... 详细信息
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Interactive entity resolution in relational data: A visual analytic tool and its evaluation
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IEEE TRANSACTIONS ON visualization AND COMPUTER GRAPHICS 2008年 第5期14卷 999-1014页
作者: Kang, Hyunmo Getoor, Lise Shneiderman, Ben Bilgic, Mustafa Licamele, Louis Univ Maryland Inst Adv Comp Studies College Pk MD 20742 USA Univ Maryland Dept Comp Sci College Pk MD 20742 USA
databases often contain uncertain and imprecise references to real-world entities. Entity resolution, which is the process of reconciling multiple references to underlying real-world entities, is an important data cle... 详细信息
来源: 评论
A natural language interface to a graph-based bibliographic information retrieval system
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data & knowledge ENGINEERING 2017年 111卷 73-89页
作者: Zhu, Yongjun Yan, Erjia Song, Il-Yeol Drexel Univ Coll Comp & Informat Philadelphia PA 19104 USA
With the ever-increasing volume of scientific literature, there is a need for a natural language interface to bibliographic information retrieval systems to retrieve relevant information effectively. In this paper, we... 详细信息
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Cardinality constraints and functional dependencies over possibilistic data
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data & knowledge ENGINEERING 2018年 117卷 339-358页
作者: Roblot, Tania Link, Sebastian Univ Auckland Dept Comp Sci Auckland New Zealand
Modern applications require advanced techniques and tools to process large volumes of uncertain data. For that purpose we study cardinality constraints and functional dependencies as a declarative mechanism to control... 详细信息
来源: 评论
Environmental chemistry through intelligent atmospheric data analysis
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ENVIRONMENTAL MODELLING & SOFTWARE 2010年 第6期25卷 760-769页
作者: Gross, Deborah S. Atlas, Robert Rzeszotarski, Jeffrey Turetsky, Emma Christensen, Janara Benzaid, Sami Olson, Jamie Smith, Thomas Steinberg, Leah Sulman, Jon Ritz, Anna Anderson, Benjamin Nelson, Catherine Musicant, David R. Chen, Lei Snyder, David C. Schauer, James J. Carleton Coll Dept Chem Northfield MN 55057 USA Carleton Coll Dept Comp Sci Northfield MN 55057 USA Univ Wisconsin Dept Comp Sci Madison WI 53705 USA Univ Wisconsin Environm Chem & Technol Program Madison WI 53705 USA
Here we present a new open-source software package designed to facilitate the analysis of atmospheric data, with emphasis on data mining applications applied to single-particle mass spectrometry data from aerosol part... 详细信息
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Open Government data in Brazil
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IEEE INTELLIGENT SYSTEMS 2012年 第3期27卷 45-49页
作者: Breitman, Karin Salas, Percy Casanova, Marco Antonio Saraiva, Daniel Gama, Vinicius Viterbo, Jose Magalhaes, Regis Pires Franzosi, Ednylton Chaves, Miriam Pontifical Catholic Univ Rio de Janeiro Dept Informat Rio De Janeiro Brazil Univ Fed Fluminense Dept Comp Sci BR-24220000 Niteroi RJ Brazil Univ Fed Ceara Fortaleza Ceara Brazil
This article discusses the current status of open government data in Brazil and summarizes the lessons learned from publishing Brazilian government data as linked data.
来源: 评论
Automated discovery of multi-faceted ontologies for accurate query answering and future semantic reasoning
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data & knowledge ENGINEERING 2013年 87卷 405-424页
作者: Gollapalli, Mohammed Li, Xue Wood, Ian Univ Queensland Sch Informat Technol & Elect Engn Brisbane Qld Australia Univ Queensland Sch Math & Phys Brisbane Qld Australia
There has been a surge of interest in the development of probabilistic techniques to discover meaningful data facts across multiple datasets provided by different organizations. The key aim is to approximate the struc... 详细信息
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Least square projection: A fast high-precision multidimensional projection technique and its application to document mapping
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IEEE TRANSACTIONS ON visualization AND COMPUTER GRAPHICS 2008年 第3期14卷 564-575页
作者: Paulovich, Fernando V. Nonato, Luis Gustavo Minghim, Rosane Levkowitz, Haim Univ Sao Paulo Inst Ciencia Matemat & Computacao BR-13560970 Sao Carlos SP Brazil Univ Massachusetts Dept Comp Sci Lowell MA 01854 USA
The problem of projecting multidimensional data into lower dimensions has been pursued by many researchers due to its potential application to data analyses of various kinds. This paper presents a novel multidimension... 详细信息
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Input dependent prediction intervals for supervised regression
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INTELLIGENT data ANALYSIS 2014年 第5期18卷 873-887页
作者: Pevec, Darko Kononenko, Igor Univ Ljubljana Fac Comp & Informat Sci Ljubljana 1000 Slovenia
In this article we compare and put to test two families of non-parametric approaches to constructing prediction intervals for arbitrary regression models in the supervised learning framework. It is often assumed for t... 详细信息
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