2014 9th Latin American Web Congress最新文献

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Analyzing the Coauthorship Networks of Latin American Computer Science Research Groups 分析拉丁美洲计算机科学研究小组的合著者网络
2014 9th Latin American Web Congress Pub Date : 2014-10-22 DOI: 10.1109/LAWeb.2014.13
J. Delgado-Garcia, Alberto H. F. Laender, Wagner Meira Jr
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引用次数: 4
Listing Dense Subgraphs in Small Memory 在小内存中列出密集子图
2014 9th Latin American Web Congress Pub Date : 2014-10-22 DOI: 10.1109/LAWeb.2014.16
Patricio Pinto, N. Cruces, Cecilia Hernández
{"title":"Listing Dense Subgraphs in Small Memory","authors":"Patricio Pinto, N. Cruces, Cecilia Hernández","doi":"10.1109/LAWeb.2014.16","DOIUrl":"https://doi.org/10.1109/LAWeb.2014.16","url":null,"abstract":"Listing relevant patterns from graphs is becoming increasingly challenging as Web and social graphs are growing in size at a great rate. This scenario requires to process information more efficiently, including the need of processing data that cannot fit in main memory. Typical approaches for processing data using limited main memory include the streaming and external memory models. This paper addresses the problem of listing dense sub graphs from Web and social graphs using little memory. We propose an external memory algorithm based on K-way merge-sort for clustering and reordering input graphs. We also propose mining heuristics that work well with different stream orders such as URL, BFS, and cluster-based. Our experimental evaluation shows that on Web graphs, in comparison with the in-memory algorithm, the streaming mining heuristic is able to find between 70 and 96% of edges participating in dense sub graphs, uses only between 17 and 25% of the memory, and running times are between 34 and 65%. We further consider an application that uses these dense sub graphs for compressing Web graphs with a representation that enables querying the collection of sub graphs for pattern recovery and basic statistics without decompression.","PeriodicalId":251627,"journal":{"name":"2014 9th Latin American Web Congress","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114810313","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
It is Not Just a Picture: Revealing Some User Practices in Instagram 这不仅仅是一张图片:揭示Instagram上的一些用户行为
2014 9th Latin American Web Congress Pub Date : 2014-10-22 DOI: 10.1109/LAWeb.2014.12
C. Araujo, Luiz Paulo Damilton Corrêa, Ana Paula Couto da Silva, R. Prates, Wagner Meira Jr
{"title":"It is Not Just a Picture: Revealing Some User Practices in Instagram","authors":"C. Araujo, Luiz Paulo Damilton Corrêa, Ana Paula Couto da Silva, R. Prates, Wagner Meira Jr","doi":"10.1109/LAWeb.2014.12","DOIUrl":"https://doi.org/10.1109/LAWeb.2014.12","url":null,"abstract":"In this work we investigate the user practices in Instagram, a social photo sharing service. Some interesting conclusions emerge from our analysis. For instance, users tend to concentrate their posts during the weekend and at the end of the day. Furthermore, people tend to endorse photos with many likes and comments, inducing the rich get richer phenomenon. Our findings can support future research on sociology and cultural analytics research areas, such as on the proposal of new clustering algorithms based on the user practices in different social media networks.","PeriodicalId":251627,"journal":{"name":"2014 9th Latin American Web Congress","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132038682","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: 84
PanView: An Extensible Panoramic Video Viewer for the Web PanView:一个可扩展的网络全景视频查看器
2014 9th Latin American Web Congress Pub Date : 2014-10-22 DOI: 10.1109/LAWeb.2014.19
C. E. Santos, J. C. Souza, V. F. Mota, Guilherme S. Nascimento, Guilherme S. Gorgulho, A. Araújo
{"title":"PanView: An Extensible Panoramic Video Viewer for the Web","authors":"C. E. Santos, J. C. Souza, V. F. Mota, Guilherme S. Nascimento, Guilherme S. Gorgulho, A. Araújo","doi":"10.1109/LAWeb.2014.19","DOIUrl":"https://doi.org/10.1109/LAWeb.2014.19","url":null,"abstract":"In this paper we present a panoramic video viewer for the web. We propose Pan View, an open-source video-based panoramic viewer that provides a greater immersion of filmed environments. The main advantage of considering panoramic video is that users can pan or tilt virtual cameras in the recorded scene, allowing them to focus on information presented in different angles or moments, thus, allowing them to access more information than in ordinary videos or in static images. Pan View is fully extensible with easy customization using user coded modules and is implemented using modern web-browser standards, which reduces the computational requirements. To motivate the use of Pan View, we present a performance comparison considering a panoramic viewer based on Adobe Flash Player. The applicability of Pan View is shown in two projects: virtual tour on historical cities and analysis of a railroad network.","PeriodicalId":251627,"journal":{"name":"2014 9th Latin American Web Congress","volume":"33 1-2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116722178","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
A Network Analysis on Movie Producing Teams and Their Success 电影制作团队及其成功的网络分析
2014 9th Latin American Web Congress Pub Date : 2014-10-01 DOI: 10.1109/LAWeb.2014.10
Wladston Viana, Pedro Onofre Santos, Ana Paula Couto da Silva, Mirella M. Moro
{"title":"A Network Analysis on Movie Producing Teams and Their Success","authors":"Wladston Viana, Pedro Onofre Santos, Ana Paula Couto da Silva, Mirella M. Moro","doi":"10.1109/LAWeb.2014.10","DOIUrl":"https://doi.org/10.1109/LAWeb.2014.10","url":null,"abstract":"We perform social network analysis on movie producing teams formed by directors, producers and writers, using data from IMDb. We assemble an evolving social network by linking agents that worked together throughout history. After, we proceed to calculate topological and non-topological metrics from this network and its teams through time. We present the evolution of topological and non-topological metrics. We analyze the correlation between these metrics and two success parameters: movie's ratings and gross income.","PeriodicalId":251627,"journal":{"name":"2014 9th Latin American Web Congress","volume":"124 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134124421","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
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