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Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web最新文献

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From Audio Paper to Next Generation Paper 从音频纸到下一代纸
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3133310
D. Frohlich
{"title":"From Audio Paper to Next Generation Paper","authors":"D. Frohlich","doi":"10.1145/3126858.3133310","DOIUrl":"https://doi.org/10.1145/3126858.3133310","url":null,"abstract":"It has been 24 years since the publication of Wellner's (1993) digital desk, demonstrating the augmentation of paper documents with projected information. Since then there have been many related developments in computing; including the world wide web, e-book readers, maturation of the augmented reality paradigm, embedded and printed electronics, and the internet of things. In this talk I draw on some of my own design explorations of augmenting paper with sound over the years, to illustrate the value of \"audiopaper\" but also the way these explorations were rooted in the applications and technology of the day. I show that two key technologies have been important to the implementation of audiopaper over the years, and that the bigger opportunity is in connecting paper to the web. This culminates in a vision for two future generations of paper which communicate and interact with the digital devices around them.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130814466","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: 1
Content Delivery Networks integrated with Software Defined Networks 与软件定义网络集成的内容交付网络
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131573
S. Kopp, Michael Prieto Hernandez, Lucas Takeshi Chigami, R. M. Silveira
{"title":"Content Delivery Networks integrated with Software Defined Networks","authors":"S. Kopp, Michael Prieto Hernandez, Lucas Takeshi Chigami, R. M. Silveira","doi":"10.1145/3126858.3131573","DOIUrl":"https://doi.org/10.1145/3126858.3131573","url":null,"abstract":"The rise of Software-Defined Networking afforded a new cycle in research of Content Distribution Networks. Among this, many studies have investigated the approach of Information Centric Networking. However, as already identified, this model has several limitations regarding their application in the context with global reach, i.e., on the Internet. In order to address this problem, this paper presents an architecture that integrates the CDNs and SDNs. Thus, It is proposed the use of a network abstraction layer that provides network services to intermediate the CDN service and the network»s infrastructure. The results obtained preliminarily, demonstrated that the proposed architecture allows you to apply traffic engineering mechanisms implemented in SDN to optimize the distribution of content through the CDN. Finally, we advocate that the proposed solution allows optimizing the distribution of content using SDN on the Internet, that is, even in contexts in which the CDN is operated by a different administrative entity that operates the SDN.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121404603","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
Improvement of Response Time by Running Games on a Cloud Gaming System with Layer Vatcher and Movement Prediction 基于层观看和移动预测的云游戏系统上运行游戏的响应时间改进
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131591
M. T. Sadaike, José C. Gutiérrez, Rodolfo Valiente, G. Bressan
{"title":"Improvement of Response Time by Running Games on a Cloud Gaming System with Layer Vatcher and Movement Prediction","authors":"M. T. Sadaike, José C. Gutiérrez, Rodolfo Valiente, G. Bressan","doi":"10.1145/3126858.3131591","DOIUrl":"https://doi.org/10.1145/3126858.3131591","url":null,"abstract":"With the growing video games industry, new markets and technologies are emerging. Electronic games of the new generation are increasingly requiring more processing and powerful video cards. The solution that is gaining more prominence is Cloud Gaming, which the player performs a command, the information is sent and processed remotely on a cloud, then the images return as a video stream back to the player using the Internet. To improve the Quality of Experience (QoE), it is proposed a model that reduces the response time between the player command and the stream of the resulting game scenes through a framework called Cloud Manager. The game must be encoded in different layers so that the Cloud Manager can use layer caching techniques, in the background, and future state prediction using a prediction matrix, in the character layer, in order to reduce the network bandwidth usage, bitrate transmission and network latencies. To validate the results, an action game with god-view as point of view is used in a Cloud Gaming system called Uniquitous.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117022665","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
A Social Network Analysis of the The Lord of The Rings' Trilogy 《指环王》三部曲的社会网络分析
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131567
V. Aires, Thais G. Almeida, F. Nakamura, E. Nakamura
{"title":"A Social Network Analysis of the The Lord of The Rings' Trilogy","authors":"V. Aires, Thais G. Almeida, F. Nakamura, E. Nakamura","doi":"10.1145/3126858.3131567","DOIUrl":"https://doi.org/10.1145/3126858.3131567","url":null,"abstract":"Social networks provide mechanisms to represent and investigate different kinds of system like biological and social. In this work, our aim is to explore the characteristics of complex networks extracted from the books and movies of The Lord Of The Rings' Trilogy. We use centrality measures (e.g., PageRank, Betweenness, Weighted Degree) to identify influential characters and the Louvain's algorithm to identify social nuclei. The results show that the communities identified reflect the story's main nuclei, and that in the different source medias the characters identified as more influential remain the same. In addition, we make a parallel between the differences and similarities of books (in Portuguese and English) and movies.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122618153","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
Night Sleep Deprivation: Computational Analysis of Language Effects 夜间睡眠剥夺:语言效果的计算分析
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131595
Flavio Carvalho, G. Guedes
{"title":"Night Sleep Deprivation: Computational Analysis of Language Effects","authors":"Flavio Carvalho, G. Guedes","doi":"10.1145/3126858.3131595","DOIUrl":"https://doi.org/10.1145/3126858.3131595","url":null,"abstract":"Changes in our society have been contributing to the raising number of people who will be under the effects of night sleep deprivation. This can harms health in the physical, mental and social aspects. This research work is intended to evaluate if there are differences between the affective characteristics in entries posted in two different time intervals, analyzing psycholinguistic processes and dominant emotions associated to social network users, using the LIWC in portuguese. In this preliminary study, it was possible to show a small difference in emotions expressed by users who posted between 6pm-23:59 and users who posted between 0am-5:59am.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124767143","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: 4
A Study on the Use of Multiple Avatars in 3D Sign Language Dictionaries 三维手语词典中多头像的使用研究
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3126865
Suanny Vieira, Alexandre Santos, Rostand E. O. Costa, T. Araújo, Manuella Aschoff, Vinícius Veríssimo
{"title":"A Study on the Use of Multiple Avatars in 3D Sign Language Dictionaries","authors":"Suanny Vieira, Alexandre Santos, Rostand E. O. Costa, T. Araújo, Manuella Aschoff, Vinícius Veríssimo","doi":"10.1145/3126858.3126865","DOIUrl":"https://doi.org/10.1145/3126858.3126865","url":null,"abstract":"Numerous platforms in the field of machine translation of oralized languages to sign language are available nowadays, and accessibility has been gaining more and more space. However, it is noticed that most platforms use only a unique 3D avatar, and this character is responsible for all the reproduction of signals, with no alternative of choice for users. Such a limitation may have an impact on the acceptance of automatic translation by the deaf community, since there must be empathy of the deaf with the animated agent. Having only one available avatar makes impossible a more precise choice, which may involve personal characteristics and affinities. One of the reasons for this is the great effort, human and technological, that is necessary for the construction of a sign dictionary, which can scale proportionally with the addition of new avatars. In view of such a scenario, the present study aims to investigate mechanisms that allow multiple avatars to be offered in sign dictionaries without necessarily needing to reshape them again and manually, one by one. The initial premise is to analyze the functioning of each signal in a particular avatar, in order to predict possible problems in the reproduction of the signals after the permutation to a new one (retargeting), such as improper collisions or mesh invasions. As main contributions of the work, techniques are proposed to facilitate the identification and automatic correction of nonconformities in the movement of the signals and also some practical recommendations for the modeling of new avatars in order to minimize the occurrence of errors.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123529744","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
Transductive Event Classification through Heterogeneous Networks 基于异构网络的转导事件分类
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3126893
Brucce Neves dos Santos, R. G. Rossi, R. Marcacini
{"title":"Transductive Event Classification through Heterogeneous Networks","authors":"Brucce Neves dos Santos, R. G. Rossi, R. Marcacini","doi":"10.1145/3126858.3126893","DOIUrl":"https://doi.org/10.1145/3126858.3126893","url":null,"abstract":"Events can be defined as \"something that occurs at specific place and time associated with some specific actions\". In general, events extracted from news articles and social networks are used to map the information from web to the various phenomena that occur in our physical world. One of the main steps to perform this relationship is the use of machine learning algorithms for event classification, which has received great attention in the web document engineering field in recent years. Traditional machine learning algorithms are based on vector space model representations and supervised classification. However, events are composed of multiple representations such as textual data, temporal information, geographic location and other types of metadata. All these representations are poorly represented together in a vector space model. Moreover, supervised classification requires the labeling of a significant sample of events to construct a training set for learning process, thereby hampering the practical application of event classification. In this paper, we propose a method called TECHN (Transductive Event Classification through Heterogeneous Networks), which considers event metadata as different objects in an heterogeneous network. Besides, the TECHN method has the ability to automatically learn which types of network objects (event metadata) are most efficient in the classification task. In addition, our TECHN method is based on a transductive classification that considers both labeled events and a vast amount of unlabeled events. The experimental results show that TECHN method obtains promising results, especially when we consider different weights of importance for each type of event metadata and a small set of labeled events.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116579748","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
Using Mobile Cloud Computing for Developing Context-Aware Multimedia Applications: A Case Study of the CAOS Framework 使用移动云计算开发上下文感知多媒体应用:CAOS框架的案例研究
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131635
Fernando A. M. Trinta, P. Rego, Francisco A. A. Gomes, L. Rocha, J. Souza
{"title":"Using Mobile Cloud Computing for Developing Context-Aware Multimedia Applications: A Case Study of the CAOS Framework","authors":"Fernando A. M. Trinta, P. Rego, Francisco A. A. Gomes, L. Rocha, J. Souza","doi":"10.1145/3126858.3131635","DOIUrl":"https://doi.org/10.1145/3126858.3131635","url":null,"abstract":"Mobile cloud computing (MCC) and context-aware computing (CAC) are research topics in growing evidence. The former seeks to leverage cloud computing features to improve the performance of mobile applications and reduce the energy consumption of mobile devices, while the latter seeks effective ways to build applications that react to changes in its context environment. This short-course aims at presenting main concepts, solutions, and technologies related to the integration of MCC and context-aware applications. We will present different motivational scenarios, examples of applications, as well as a practical guide to the development of a context-aware multimedia Android application using the framework CAOS. In addition, we will highlight research challenges and opportunities that come with such integration.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116457350","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: 1
Towards Recency Ranking in Community Question Answering: A Case Study of Stack Overflow 面向社区问答的近期排序:以堆栈溢出为例
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3126892
Leandro Amancio, C. Dorneles
{"title":"Towards Recency Ranking in Community Question Answering: A Case Study of Stack Overflow","authors":"Leandro Amancio, C. Dorneles","doi":"10.1145/3126858.3126892","DOIUrl":"https://doi.org/10.1145/3126858.3126892","url":null,"abstract":"In Community Question Answering, recency ranking refers to put the freshness answers with high quality in top positions of a ranking. Freshness is not related to how recent is the answer creation date, but to how up-to-date is the answer content. This is extremely important because the users need to get best answers quickly to solve their questions and, usually, they expect up-to-date solutions. In this paper, we propose a new approach to provide recency ranking in these environments and present a set of experiments that show the effectiveness of our proposal.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132166468","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
Gestural Interaction for Accessibility of Web Videos: A Case Study Analysis with Blind and Visually Impaired Users 手势交互对网络视频的可访问性:盲人和视障用户的案例研究分析
Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web Pub Date : 2017-10-17 DOI: 10.1145/3126858.3131588
Marcio Maestrelo Funes, Renata Pontin de Mattos Fortes, R. Goularte
{"title":"Gestural Interaction for Accessibility of Web Videos: A Case Study Analysis with Blind and Visually Impaired Users","authors":"Marcio Maestrelo Funes, Renata Pontin de Mattos Fortes, R. Goularte","doi":"10.1145/3126858.3131588","DOIUrl":"https://doi.org/10.1145/3126858.3131588","url":null,"abstract":"This article describes a gestural interaction case study conducted with 36 blind and visually impaired users. Task-based user evaluations were undertaken on three phases to answer the question: Can gesture interactions improve the experience of blind or visually impaired users for Web videos accessibility? After the study case analysis, 97% of the users would use a gestural interface and 92% preferred gesture interaction compared to the usual interaction. To obtain the conclusions, the variables were analyzed by comparisons of percentages and chi-square test.","PeriodicalId":338362,"journal":{"name":"Proceedings of the 23rd Brazillian Symposium on Multimedia and the Web","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129695360","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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