Bipartite graphs are often used to illustrate relationships between two sets of data, such as web pages and visitors. At the same time, information is often organized hierarchically, for example, web pages are divided into directories by their contents. The hierarchical structures are useful for analyzing information. Graphs with both a bipartite structure and a hierarchical structure are called “clustered bipartite graphs.” A new clustered bipartite graphs visualization technique was developed for representing both bipartite and hierarchical structures simultaneously. In this technique, nodes in one set of the bipartite graph, which are leaves of a tree, are arranged in hierarchical multi-circular style. Then, nodes in the other set of the bipartite graph are arranged by the force-directed method. The technique enables step-by-step exploration for large-scale bipartite graphs.
{"title":"Drawing Clustered Bipartite Graphs in Multi-circular Style","authors":"Takao Ito, Kazuo Misue, J. Tanaka","doi":"10.1109/IV.2010.13","DOIUrl":"https://doi.org/10.1109/IV.2010.13","url":null,"abstract":"Bipartite graphs are often used to illustrate relationships between two sets of data, such as web pages and visitors. At the same time, information is often organized hierarchically, for example, web pages are divided into directories by their contents. The hierarchical structures are useful for analyzing information. Graphs with both a bipartite structure and a hierarchical structure are called “clustered bipartite graphs.” A new clustered bipartite graphs visualization technique was developed for representing both bipartite and hierarchical structures simultaneously. In this technique, nodes in one set of the bipartite graph, which are leaves of a tree, are arranged in hierarchical multi-circular style. Then, nodes in the other set of the bipartite graph are arranged by the force-directed method. The technique enables step-by-step exploration for large-scale bipartite graphs.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124240879","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}
We propose a new interaction way that uses mobile devices to input and output devices of computers. The idea is simple but powerful, because 1) mobile devices are popular, 2) people can use them easily, 3) people carry them at all times, 4) two displays one of which is a big display for a computer and another is a small display of a mobile device may make new interaction and visualization and 5) a user can store parts of public data in physically independent device, that is his/her mobile device. We expect that our idea may make psychological barrier lower than now so that users can access and modify all data around the world more easily. In this paper, we show an example application based the idea we propose and discuss its possibilities.
{"title":"Interaction with Computers Using Mobile Devices","authors":"Mariko Sasakura, Shinsuke Fujioka, S. Yamasaki","doi":"10.1109/IV.2010.27","DOIUrl":"https://doi.org/10.1109/IV.2010.27","url":null,"abstract":"We propose a new interaction way that uses mobile devices to input and output devices of computers. The idea is simple but powerful, because 1) mobile devices are popular, 2) people can use them easily, 3) people carry them at all times, 4) two displays one of which is a big display for a computer and another is a small display of a mobile device may make new interaction and visualization and 5) a user can store parts of public data in physically independent device, that is his/her mobile device. We expect that our idea may make psychological barrier lower than now so that users can access and modify all data around the world more easily. In this paper, we show an example application based the idea we propose and discuss its possibilities.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134047155","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}
Australian Aboriginal people have suffered ignominy through British policies and practices since the legal conquest of their land in 1788. They have been historically and socially misrepresented on the premise of their race alone. Recent attempts at reconciliation have come some way towards a shared culture. However, the national curriculum has not been effective in promoting reconciliation as an important part of a student’s education. As a pedagogical tool for advancing notions of reconciliation a game was developed. The pedagogical goal of the game is for students to experience notions of trust, empathy and collaboration – core to notions of reconciliation. Initial evaluation of the game suggests these goals are being met. The game provides a vehicle for notions of reconciliation to be broached in way school-age children can engage with the concepts at a familiar level (in a game). It promotes reflection on their own role in the reconciliation process.
{"title":"Re-writing Recent History: Developing a National Reconciliation Pedagogy Using a Video Game for School Age Children","authors":"Belinda MacGill, T. Wyeld, Faye Blanch","doi":"10.1109/IV.2010.61","DOIUrl":"https://doi.org/10.1109/IV.2010.61","url":null,"abstract":"Australian Aboriginal people have suffered ignominy through British policies and practices since the legal conquest of their land in 1788. They have been historically and socially misrepresented on the premise of their race alone. Recent attempts at reconciliation have come some way towards a shared culture. However, the national curriculum has not been effective in promoting reconciliation as an important part of a student’s education. As a pedagogical tool for advancing notions of reconciliation a game was developed. The pedagogical goal of the game is for students to experience notions of trust, empathy and collaboration – core to notions of reconciliation. Initial evaluation of the game suggests these goals are being met. The game provides a vehicle for notions of reconciliation to be broached in way school-age children can engage with the concepts at a familiar level (in a game). It promotes reflection on their own role in the reconciliation process.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130200612","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}
We propose an interactive framework for the 3D visualization of the time-series of Web graphs. The purpose of our framework is to enable users to examine the evolution of Web graphs by comparing multiple graphs that have different timings and topics. To achieve this, we provide TimeSlices that are 2D planes to visualize Web graphs in a 3D environment. Users can interactively add new TimeSlices along the timeline, and they can manipulate them to animate Web graphs. Visualized Web graphs on TimeSlices are snapshots of different timings. Moreover, we provide mechanisms to generate and manipulate overlay views and parallel views in the 3D environment to enable Web graphs to be compared. Users can seamlessly change these viewing modes. Our system can also visualize two Web graphs created from different keywords to display the evolutional correlation between them. This system enables us to observe structural and temporal changes in multiple Web graphs such as shifts in influential blogs or power shifts in the diffusion of blogs between topics.
{"title":"An Interactive Visualization Framework for Time-Series of Web Graphs in a 3D Environment","authors":"Masahiko Itoh, Masashi Toyoda, M. Kitsuregawa","doi":"10.1109/IV.2010.18","DOIUrl":"https://doi.org/10.1109/IV.2010.18","url":null,"abstract":"We propose an interactive framework for the 3D visualization of the time-series of Web graphs. The purpose of our framework is to enable users to examine the evolution of Web graphs by comparing multiple graphs that have different timings and topics. To achieve this, we provide TimeSlices that are 2D planes to visualize Web graphs in a 3D environment. Users can interactively add new TimeSlices along the timeline, and they can manipulate them to animate Web graphs. Visualized Web graphs on TimeSlices are snapshots of different timings. Moreover, we provide mechanisms to generate and manipulate overlay views and parallel views in the 3D environment to enable Web graphs to be compared. Users can seamlessly change these viewing modes. Our system can also visualize two Web graphs created from different keywords to display the evolutional correlation between them. This system enables us to observe structural and temporal changes in multiple Web graphs such as shifts in influential blogs or power shifts in the diffusion of blogs between topics.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128251961","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}
This paper explores an evolutionary approach towards post creation markup and commentary attachments to 3D Virtual Reality models of Built Heritage from 1995 to date. A particular focus of the several projects described over this period was to enable and support web-based collaborative modelling of the built and natural environment, covering facsimiles of its current form, various interpretations of historic settings, and interpretations of the future in the form of versions of planning proposals. Throughout these projects a need was defined for non-proprietary and software-independent forms of ‘mark-up’ for: commenting on the evolving state of and versions of modelling; linking to many different media, documentary sources and base data that served to evidence these interpretations; and for achieving consensus in opposing or supporting planned proposals. It is suggested that the necessary 3D capable GIS that support a ‘Google Docs’ approach to web based 3D modelling collaboration and commentary are only now beginning to emerge.
{"title":"\"Models, Mark-Up, Commentary and Attention\"","authors":"J. Counsell","doi":"10.1109/IV.2010.84","DOIUrl":"https://doi.org/10.1109/IV.2010.84","url":null,"abstract":"This paper explores an evolutionary approach towards post creation markup and commentary attachments to 3D Virtual Reality models of Built Heritage from 1995 to date. A particular focus of the several projects described over this period was to enable and support web-based collaborative modelling of the built and natural environment, covering facsimiles of its current form, various interpretations of historic settings, and interpretations of the future in the form of versions of planning proposals. Throughout these projects a need was defined for non-proprietary and software-independent forms of ‘mark-up’ for: commenting on the evolving state of and versions of modelling; linking to many different media, documentary sources and base data that served to evidence these interpretations; and for achieving consensus in opposing or supporting planned proposals. It is suggested that the necessary 3D capable GIS that support a ‘Google Docs’ approach to web based 3D modelling collaboration and commentary are only now beginning to emerge.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128583479","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}
The use of procedural modelling has risen dramatically over the last decade. This has been partly due to the increase in computing power, affording developers the opportunity to use methods that were previously infeasible. A further reason for this growth is due to the improvement of the representation of human knowledge. The development of procedural modeling has, thus far, been somewhat disjointed and ad hoc as different areas of graphics, gaming and modelling have been utilizing the technique with little reference outside of their own specialisation. This paper provides an overview of procedural modelling covering key techniques and applications and then suggests a framework for the development of a procedural modelling system that can form areas of land of both populated areas and bodies of water.
{"title":"Challenges and Perspectives of Procedural Modelling and Effects","authors":"David Fletcher, Yong Yue, M. A. Kader","doi":"10.1109/IV.2010.80","DOIUrl":"https://doi.org/10.1109/IV.2010.80","url":null,"abstract":"The use of procedural modelling has risen dramatically over the last decade. This has been partly due to the increase in computing power, affording developers the opportunity to use methods that were previously infeasible. A further reason for this growth is due to the improvement of the representation of human knowledge. The development of procedural modeling has, thus far, been somewhat disjointed and ad hoc as different areas of graphics, gaming and modelling have been utilizing the technique with little reference outside of their own specialisation. This paper provides an overview of procedural modelling covering key techniques and applications and then suggests a framework for the development of a procedural modelling system that can form areas of land of both populated areas and bodies of water.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129366700","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}
Dynamic recompilation tries to produce more efficient code by exploiting runtime information. Virtual machines like the Jikes RVM use recompilation heuristics to decide how to recompile the program, i.e. what parts are recompiled at what level of optimization. In this paper we present our post-mortem amortization analysis based on improved call stack sampling. Our tool presents the results of the analysis as an interactive visualizations to help both virtual machine implementors improve their recompilation strategies, as well as programmers assess whether these recompilation strategies pay off not only for their application as a whole, but also for individual methods.
{"title":"Visual Amortization Analysis of Recompilation Strategies","authors":"Stephan Zimmer, S. Diehl","doi":"10.1109/IV.2010.76","DOIUrl":"https://doi.org/10.1109/IV.2010.76","url":null,"abstract":"Dynamic recompilation tries to produce more efficient code by exploiting runtime information. Virtual machines like the Jikes RVM use recompilation heuristics to decide how to recompile the program, i.e. what parts are recompiled at what level of optimization. In this paper we present our post-mortem amortization analysis based on improved call stack sampling. Our tool presents the results of the analysis as an interactive visualizations to help both virtual machine implementors improve their recompilation strategies, as well as programmers assess whether these recompilation strategies pay off not only for their application as a whole, but also for individual methods.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116666228","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}
Citation networks form directed acyclic graphs. Visualisation of the reference relationships within the network requires fast determination of ancestor-descendant relationships among the nodes within the digraph. Polytrees (singly connected digraphs) constitute an important class of acyclic digraphs and can be viewed as generalised directed trees where multiple parent nodes are permitted. In this paper, we propose a new ancestral numbering scheme for polytrees that allows fast determination of ancestor-descendant relationships among the nodes without traversal. The scheme is used to index and visualise reference relationships within citation networks.
{"title":"Polytree Numbering for Citation Networks Visualisation","authors":"Alex Logvynovskiy, M. Dastbaz","doi":"10.1109/IV.2010.22","DOIUrl":"https://doi.org/10.1109/IV.2010.22","url":null,"abstract":"Citation networks form directed acyclic graphs. Visualisation of the reference relationships within the network requires fast determination of ancestor-descendant relationships among the nodes within the digraph. Polytrees (singly connected digraphs) constitute an important class of acyclic digraphs and can be viewed as generalised directed trees where multiple parent nodes are permitted. In this paper, we propose a new ancestral numbering scheme for polytrees that allows fast determination of ancestor-descendant relationships among the nodes without traversal. The scheme is used to index and visualise reference relationships within citation networks.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128766087","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}
Moving images production teams’ skills in directing the visual perception of viewers have been confirmed lately through eye-tracking methodology. One interest lies in explaining the use of different techniques by the production team for its realization of visual intentions. These intentions are however many in most moving images. This paper undertakes the development of a method for grasping the film or video editors’ intentions with the editing of moving images, and has been carried out as an exploratory study. The method suggested considers conventions of the trade, observational study with running screen-dump and proximate interviews with editors on specific edits, as well as the testing of moving image sequences where the intention of each edit point is known. The test is conducted on viewers, with the use of eye-tracking techniques. The findings are that the method should be useful in distinguishing between when the editors’ grip on the audience is firm, and when it is rather vague. But the method also suggests new aspects of understanding the viewers’ gazes when watching moving images.
{"title":"Visual Intention in Moving Image Editing and Eye-Tracking Methodology. An Exploratory Study","authors":"Thorbjörn Swenberg","doi":"10.1109/IV.2010.59","DOIUrl":"https://doi.org/10.1109/IV.2010.59","url":null,"abstract":"Moving images production teams’ skills in directing the visual perception of viewers have been confirmed lately through eye-tracking methodology. One interest lies in explaining the use of different techniques by the production team for its realization of visual intentions. These intentions are however many in most moving images. This paper undertakes the development of a method for grasping the film or video editors’ intentions with the editing of moving images, and has been carried out as an exploratory study. The method suggested considers conventions of the trade, observational study with running screen-dump and proximate interviews with editors on specific edits, as well as the testing of moving image sequences where the intention of each edit point is known. The test is conducted on viewers, with the use of eye-tracking techniques. The findings are that the method should be useful in distinguishing between when the editors’ grip on the audience is firm, and when it is rather vague. But the method also suggests new aspects of understanding the viewers’ gazes when watching moving images.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115231398","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}
In this paper we present a more effective method to discover the periodicity in web log sequence data which handle missing sequences which may occur during the aggregation process, such as sequences that swing between two periods. On other hands, a sequence may start near the end time of a period where the rest of those sequences appear in next period however, these kinds of issues certainly it will leave its effect of periodicity discovery. Moreover, we incorporated OLAP data cube techniques in the aggregation process in order to handle large generated sequences and visualised the discovered periodic patterns, in order to study its impact on periodicity discovery.
{"title":"Visualise Web Usage Mining: Spanning Sequences' Impact on Periodicity Discovery","authors":"A. Alkilany","doi":"10.1109/IV.2010.50","DOIUrl":"https://doi.org/10.1109/IV.2010.50","url":null,"abstract":"In this paper we present a more effective method to discover the periodicity in web log sequence data which handle missing sequences which may occur during the aggregation process, such as sequences that swing between two periods. On other hands, a sequence may start near the end time of a period where the rest of those sequences appear in next period however, these kinds of issues certainly it will leave its effect of periodicity discovery. Moreover, we incorporated OLAP data cube techniques in the aggregation process in order to handle large generated sequences and visualised the discovered periodic patterns, in order to study its impact on periodicity discovery.","PeriodicalId":328464,"journal":{"name":"2010 14th International Conference Information Visualisation","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115746643","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}
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