2011 IEEE Conference on Visual Analytics Science and Technology (VAST)最新文献

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Query-based coordinated multiple views with Feature Similarity Space for visual analysis of MRI repositories 基于查询的多视图协同特征相似空间的MRI库可视化分析
2011 IEEE Conference on Visual Analytics Science and Technology (VAST) Pub Date : 2011-12-15 DOI: 10.1109/VAST.2011.6102467
Ian Bowman, Shantanu H. Joshi, J. D. Horn
{"title":"Query-based coordinated multiple views with Feature Similarity Space for visual analysis of MRI repositories","authors":"Ian Bowman, Shantanu H. Joshi, J. D. Horn","doi":"10.1109/VAST.2011.6102467","DOIUrl":"https://doi.org/10.1109/VAST.2011.6102467","url":null,"abstract":"It is a laborious process to quantify relationship patterns within a feature-rich archive. For example, understanding the degree of neuroanatomical similarity between the scanned subjects of a Magnetic Resonance Imaging (MRI) repository is a nontrivial task. In this work we present a Coordinated Multiple View (CMV) system for visually analyzing collections of feature-rich datasets. A query-based user interface operates on a feature-respective data scheme, and is geared towards domain experts that are non-specialists in informatics and analytics. We employ multi-dimensional scaling (MDS) to project feature surface representations into three-dimensions, where proximity in location is proportional to the feature similarity. Through query feedback and environment navigation, the user groups clusters that exhibit probable trends across feature and attribute. The system provides supervised classification methods for determining attribute classes within the user selected groups. Finally, using visual or analytical feature-wise exploration the user determines intra-group feature commonality.","PeriodicalId":103998,"journal":{"name":"2011 IEEE Conference on Visual Analytics Science and Technology (VAST)","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128451129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
G-PARE: A visual analytic tool for comparative analysis of uncertain graphs G-PARE:一个用于不确定图比较分析的可视化分析工具
2011 IEEE Conference on Visual Analytics Science and Technology (VAST) Pub Date : 2011-12-15 DOI: 10.1109/VAST.2011.6102442
Hossam Sharara, Awalin Sopan, Galileo Namata, L. Getoor, L. Singh
{"title":"G-PARE: A visual analytic tool for comparative analysis of uncertain graphs","authors":"Hossam Sharara, Awalin Sopan, Galileo Namata, L. Getoor, L. Singh","doi":"10.1109/VAST.2011.6102442","DOIUrl":"https://doi.org/10.1109/VAST.2011.6102442","url":null,"abstract":"There are a growing number of machine learning algorithms which operate on graphs. Example applications for these algorithms include predicting which customers will recommend products to their friends in a viral marketing campaign using a customer network, predicting the topics of publications in a citation network, or predicting the political affiliations of people in a social network. It is important for an analyst to have tools to help compare the output of these machine learning algorithms. In this work, we present G-PARE, a visual analytic tool for comparing two uncertain graphs, where each uncertain graph is produced by a machine learning algorithm which outputs probabilities over node labels. G-PARE provides several different views which allow users to obtain a global overview of the algorithms output, as well as focused views that show subsets of nodes of interest. By providing an adaptive exploration environment, G-PARE guides the users to places in the graph where two algorithms predictions agree and places where they disagree. This enables the user to follow cascades of misclassifications by comparing the algorithms outcome with the ground truth. After describing the features of G-PARE, we illustrate its utility through several use cases based on networks from different domains.","PeriodicalId":103998,"journal":{"name":"2011 IEEE Conference on Visual Analytics Science and Technology (VAST)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125812583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
Analyst's workspace: Protecting vastopolis 分析师的工作空间:保护大都市
2011 IEEE Conference on Visual Analytics Science and Technology (VAST) Pub Date : 2011-10-01 DOI: 10.1109/VAST.2011.6102495
Christopher Andrews, M. S. Hossain, S. Gad, Naren Ramakrishnan, Chris North
{"title":"Analyst's workspace: Protecting vastopolis","authors":"Christopher Andrews, M. S. Hossain, S. Gad, Naren Ramakrishnan, Chris North","doi":"10.1109/VAST.2011.6102495","DOIUrl":"https://doi.org/10.1109/VAST.2011.6102495","url":null,"abstract":"Analyst's Workspace is a sensemaking environment designed specifically for use of large, high-resolution displays. It employs a spatial workspace to integrate foraging and synthesis activities into a unified process. In this paper we describe how Analyst's Workspace solved the VAST 2011 mini-challenge #3 and discuss some of the unique features of the environment.","PeriodicalId":103998,"journal":{"name":"2011 IEEE Conference on Visual Analytics Science and Technology (VAST)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121778408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
City sentinel - VAST 2011 mini challenge 1 award: “Outstanding integration of computational and visual methods” 城市哨兵- VAST 2011迷你挑战赛1奖:“计算与视觉方法的杰出结合”
2011 IEEE Conference on Visual Analytics Science and Technology (VAST) Pub Date : 2011-10-01 DOI: 10.1109/VAST.2011.6102485
N. Banfi, L. Dudas, Zsolt Fekete, J. Gobolos-Szabo, András Lukács, A. Nagy, A. Szabó, Z. Szabo, G. Szücs
{"title":"City sentinel - VAST 2011 mini challenge 1 award: “Outstanding integration of computational and visual methods”","authors":"N. Banfi, L. Dudas, Zsolt Fekete, J. Gobolos-Szabo, András Lukács, A. Nagy, A. Szabó, Z. Szabo, G. Szücs","doi":"10.1109/VAST.2011.6102485","DOIUrl":"https://doi.org/10.1109/VAST.2011.6102485","url":null,"abstract":"We present City Sentinel, an in-house built visual analytic software capable of handling a large collection of textual documents by combining diverse text mining and visualization tools. We applied this tool for the Vast Challenge 2011, Mini Challenge 1 over millions of tweet messages. We demonstrate how City Sentinel aided the analyst in retrieving the hidden information from the tweet messages to analyze and locate a hypothetical epidemic outbreak.","PeriodicalId":103998,"journal":{"name":"2011 IEEE Conference on Visual Analytics Science and Technology (VAST)","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122232912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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