2011 IEEE Fifth International Conference on Semantic Computing最新文献_第4页

Problematic Set-Denoting Temporal Expressions in the Framework of ISO-TimeML iso - timml框架下的问题集表示时间表达式

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.61

Yumi Jo, Munhyong Kim, Hyun-Jo You, Yoon-shin Kim, Seungho Nam, Hyopil Shin

引用次数: 0

An Improved Profile-Based CF Scheme with Privacy 一种改进的带隐私的基于配置文件的CF方案

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.20

Alper Bilge, H. Polat

{"title":"An Improved Profile-Based CF Scheme with Privacy","authors":"Alper Bilge, H. Polat","doi":"10.1109/ICSC.2011.20","DOIUrl":"https://doi.org/10.1109/ICSC.2011.20","url":null,"abstract":"Traditional collaborative filtering (CF) systems widely employing k-nearest neighbor (kNN) algorithms mostly attempt to alleviate the contemporary problem of information overload by generating personalized predictions for items that users might like. Unlike their popularity and extensive usage, they suffer from several problems. First, with increasing number of users and/or items, scalability becomes a challenge. Second, as the number of ratable items increases and number of ratings provided by each individual remains as a tiny fraction, CF systems suffer from sparsity problem. Third, many schemes fail to protect private data referred to as privacy problem. Due to such problems, accuracy and online performance become worse. In this paper, we propose two preprocessing schemes to overcome scalability and sparsity problems. First, we suggest using a novel content-based profiling of users to estimate similarities on a reduced data for better performance. Second, we propose pseudo-prediction protocol to help CF systems surmount sparsity. We finally propose to use randomization methods to preserve individual users' confidential data, where we show that our proposed preprocessing schemes can be applied to perturbed data. We analyze our schemes in terms of privacy. To investigate their effects on accuracy and performance, we perform real databased experiments. Empirical results demonstrate that our preprocessing schemes improve both performance and accuracy.","PeriodicalId":408382,"journal":{"name":"2011 IEEE Fifth International Conference on Semantic Computing","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134224604","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: 13

Audio Oracle Analysis of Musical Information Rate 音乐信息率的音频甲骨文分析

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.106

S. Dubnov, G. Assayag, Arshia Cont

引用次数: 41

Kino: A Generic Document Management System for Biologists Using SA-REST and Faceted Search Kino:使用SA-REST和分面搜索的生物学家通用文档管理系统

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.79

Ajith Ranabahu, Priti P. Parikh, M. Panahiazar, A. Sheth, Flora J. Logan-Klumpler

引用次数: 19

Contextual Augmentation of Ontology for Recognizing Sub-events 面向子事件识别的本体语境增强

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.104

S. Rafatirad, R. Jain

{"title":"Contextual Augmentation of Ontology for Recognizing Sub-events","authors":"S. Rafatirad, R. Jain","doi":"10.1109/ICSC.2011.104","DOIUrl":"https://doi.org/10.1109/ICSC.2011.104","url":null,"abstract":"With the advances in technology and proliferation of cheap storage, high rate of digital multimedia interaction signifies the increasing need of computer users for a decent application to organize personal media in a meaningful way. In this paper, we want to organize personal media in terms of the sub-events they cover. A semantic gap exists between media, and people's perception of the events and memories associated with this media. A framework is needed to address such gap. This paper describes a novel model-based approach for partitioning and organizing personal photo archive in terms of high-level subevents that capture and represent human experience. Since photos are the most ubiquitous and prolific form of user generated content, we focus on the automatic annotation of personal photo collection in this paper. We introduce ROntology (Recognition-Ontology) that is a context-aware model with concrete contextual information for subevent recognition. Currently our approach utilizes the mereological, spatial and temporal properties of modeled-events in R-Ontology. Personal media will then populate R-Ontology. We tested this approach using our personal photo archive describing two different scenarios: Trip and Indianwedding.","PeriodicalId":408382,"journal":{"name":"2011 IEEE Fifth International Conference on Semantic Computing","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129798249","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: 5

Detecting New and Emerging Events from Textual Sources 从文本源中检测新的和正在出现的事件

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.60

Kirk Roberts, S. Harabagiu

引用次数: 0

Preserving Privacy in Context-Aware Systems 在环境感知系统中保护隐私

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.87

Pramod Jagtap, A. Joshi, Timothy W. Finin, R. Gutierrez

{"title":"Preserving Privacy in Context-Aware Systems","authors":"Pramod Jagtap, A. Joshi, Timothy W. Finin, R. Gutierrez","doi":"10.1109/ICSC.2011.87","DOIUrl":"https://doi.org/10.1109/ICSC.2011.87","url":null,"abstract":"Recent years have seen a confluence of two major trends -- the increase of mobile devices such as smart phones as the primary access point to networked information and the rise of social media platforms that connect people. Their convergence supports the emergence of a new class of context-aware geosocial networking applications. While existing systems focus mostly on location, our work centers on models for representing and reasoning about a more inclusive and higher-level notion of context, including the user's location and surroundings, the presence of other people and devices, and the inferred activities in which they are engaged. A key element of our work is the use of collaborative information sharing where devices share and integrate knowledge about their context. This introduces the need for privacy and security mechanisms. We present a framework to provide users with appropriate levels of privacy to protect the personal information their mobile devices are collecting, including the inferences that can be drawn from the information. We use Semantic Web technologies to specify high-level, declarative policies that describe user information sharing preferences. We have built a prototype system that aggregates information from a variety of sensors on the phone, online sources, and sources internal to the campus intranet, and infers the dynamic user context. We show how our policy framework can be effectively used to devise better privacy control mechanisms to control information flow between users in such dynamic mobile systems.","PeriodicalId":408382,"journal":{"name":"2011 IEEE Fifth International Conference on Semantic Computing","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115237125","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: 45

A Distributed Secure Ontology for Certified Services Oriented Applications 面向认证服务应用的分布式安全本体

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.105

A. Maña, G. Pujol, C. Pandolfo

{"title":"A Distributed Secure Ontology for Certified Services Oriented Applications","authors":"A. Maña, G. Pujol, C. Pandolfo","doi":"10.1109/ICSC.2011.105","DOIUrl":"https://doi.org/10.1109/ICSC.2011.105","url":null,"abstract":"Currently, SOAs are the major trend for large -- scale infrastructures and applications that are built from loosely -- coupled well -- separated services and that are subject to dynamic configuration, operation and evolution. Concretely, in open SOAs, trust becomes an essential element and certification of security properties offered by the services will be crucial. In SOAs systems, service consumers and providers need to exchange data in a flexible and consistent way, take into account cultural and language issues and consider data vulnerability and trust relationships. Ontologies have been largely used to support interoperability and recently, their use has been extended to address security. When ontologies are used in open systems, it is essential to provide adequate means to protect them, guaranteeing its authenticity, identifying the providers of the elements in the ontology. Taking into account the limitations of the current security mechanisms for ontologies of SOAs and in order to support the certification process addressed by ASSERT4SOA project (founded by FP7 of the European Union), we present in this paper a framework to define secure, distributed ontologies (SDOs) supporting system integration (data, information, and knowledge interoperability) in certified service environment.","PeriodicalId":408382,"journal":{"name":"2011 IEEE Fifth International Conference on Semantic Computing","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115367258","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

Automatic Multilevel Temporal Video Structuring 自动多层时间视频结构

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.39

Ruxandra Tapu, T. Zaharia

引用次数: 1

iBookmarks: Synthesis and Execution of Web-Process Combinations iBookmarks: web进程组合的合成和执行

2011 IEEE Fifth International Conference on Semantic Computing Pub Date : 2011-09-18 DOI: 10.1109/ICSC.2011.97

Sudhir Agarwal

引用次数: 0