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A web services architecture for learning object discovery and assembly 用于学习对象发现和组装的web服务体系结构
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013518
C. Pahl, Ronan Barrett
{"title":"A web services architecture for learning object discovery and assembly","authors":"C. Pahl, Ronan Barrett","doi":"10.1145/1013367.1013518","DOIUrl":"https://doi.org/10.1145/1013367.1013518","url":null,"abstract":"Courseware systems are often based on an assembly of different components, addressing the different needs of storage and delivery functionality. The Learning Technology Standard Architecture LTSA provides a generic architectural framework for these systems. Recent developments in Web technology -- e.g. the Web services framework -- have greatly enhanced the flexible and interoperable implementation of courseware architectures.We argue that in order to make the Web services philosophy work, two enhancements to the LTSA approach are required. Firstly, a combination with metadata annotation is needed to support the discovery of educational Web services. Secondly, if these components are to be provided in form of services, more support is needed for their assembly. Architectural patterns of a finer degree of granularity shall satisfy this need.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115350156","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: 17
Are web pages characterized by color? 网页是否以颜色为特征?
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013419
N. Murayama, S. Saito, M. Okumura
{"title":"Are web pages characterized by color?","authors":"N. Murayama, S. Saito, M. Okumura","doi":"10.1145/1013367.1013419","DOIUrl":"https://doi.org/10.1145/1013367.1013419","url":null,"abstract":"When human guess the content of a web page,not only the text on the page but also its appearance is an important factor.However, there have been few studies on the relationshipbetween the content and visual appearance of a web page.We investigating the tendencybetween them, especially web content and color use, we found a tendency to use color for some kinds of content pages. We think this result opens the way to estimating web content using color information.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115353123","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 web personalization system based on web usage mining techniques 基于web使用挖掘技术的web个性化系统
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013439
Massimiliano Albanese, A. Picariello, Carlo Sansone, Lucio Sansone
{"title":"A web personalization system based on web usage mining techniques","authors":"Massimiliano Albanese, A. Picariello, Carlo Sansone, Lucio Sansone","doi":"10.1145/1013367.1013439","DOIUrl":"https://doi.org/10.1145/1013367.1013439","url":null,"abstract":"In the past few years, web usage mining techniques have grown rapidly together with the explosive growth of the web, both in the research and commercial areas. In this work we present a Web mining strategy for Web personalization based on a novel pattern recognition strategy which analyzes and classifies both static and dynamic features. The results of experiments on the data from a large commercial web site are presented to show the effectiveness of the proposed system.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123112160","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: 37
A generic uiml vocabulary for device- and modality independent user interfaces 用于独立于设备和模态的用户界面的通用uml词汇表
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013512
R. Simon, M. Jank, F. Wegscheider
{"title":"A generic uiml vocabulary for device- and modality independent user interfaces","authors":"R. Simon, M. Jank, F. Wegscheider","doi":"10.1145/1013367.1013512","DOIUrl":"https://doi.org/10.1145/1013367.1013512","url":null,"abstract":"We present in this poster our work on a User Interface Markup Language (UIML) vocabulary for the specification of device- and modality independent user interfaces. The work presented here is part of an application-oriented project. One of the results of the project is a prototype implementation of a generic platform for device independent multimodal mobile applications. The poster presents the requirements for a generic user interface description format and explains our approach on an integrated description of user interfaces for both graphical and voice modality. A basic overview of the vocabulary structure, its language elements and main features is presented.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123123828","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: 19
FADA: find all distinct answers 找出所有不同的答案
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013447
G. Yang, Tat-Seng Chua
{"title":"FADA: find all distinct answers","authors":"G. Yang, Tat-Seng Chua","doi":"10.1145/1013367.1013447","DOIUrl":"https://doi.org/10.1145/1013367.1013447","url":null,"abstract":"The wealth of information available on the web makes it an attractive resource for seeking quick answers. While web-based question answering becomes an emerging topic in recent years, the problem of efficiently locating a complete set of distinct answers on the Web is far from being solved. We introduce our system, FADA, which relies on question event analysis, web page clustering, and natural language parsing, to find reliable distinct answers with high recall. The method has been found to be effective in strengthening state-of-the-art Web question answering techniques by emphasizing on answer completeness and uniqueness.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"44 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120889442","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: 6
The interoperability of learning object repositories and services: standards, implementations and lessons learned 学习对象存储库和服务的互操作性:标准、实现和经验教训
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013371
M. Hatala, Griff Richards, Ty Mey Eap, Jordan Willms
{"title":"The interoperability of learning object repositories and services: standards, implementations and lessons learned","authors":"M. Hatala, Griff Richards, Ty Mey Eap, Jordan Willms","doi":"10.1145/1013367.1013371","DOIUrl":"https://doi.org/10.1145/1013367.1013371","url":null,"abstract":"Interoperability is one of the main issues in creating a networked system of repositories. The eduSource project in its holisticapproach to building a network of learning object repositories in Canada is implementing an open network for learning services. Itsopenness is supported by a communication protocol called theeduSource Communications Layer (ECL) which closely implements the IMS Digital Repository Interoperability (DRI)specification and architecture. The ECL in conjunction withconnection middleware enables any service providers to join thenetwork. EduSource is open to external initiatives as it explicitlysupports an extensible bridging mechanism between eduSource and other major initiatives. This paper discusses interoperability in general and then focuses on the design of ECL as animplementation of IMS DRI with supporting infrastructure andmiddleware. The eduSource implementation is in the mature stateof its development as being deployed in different settings withdifferent partners. Two applications used in evaluating ourapproach are described: a gateway for connecting betweeneduSource and the NSDL initiative, and a federated searchconnecting eduSource, EdNA and SMETE.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127250829","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: 86
Hybrid multicasting in large-scale service networks 大规模业务网络中的混合组播
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013547
Jingwen Jin, K. Nahrstedt
{"title":"Hybrid multicasting in large-scale service networks","authors":"Jingwen Jin, K. Nahrstedt","doi":"10.1145/1013367.1013547","DOIUrl":"https://doi.org/10.1145/1013367.1013547","url":null,"abstract":"The importance of service composition has been widely recognized in the Internet research community due to its high flexibility in allowing development of customized applications. So far little attention has been paid to composite services' runtime performance-related aspects, which are of great importance to wide-area applications. Service composition in the wide area actually creates a new type of routing problem which we call QoS service routing. We study this problem in large networks (e.g., the Web) and provide distributed and scalable routing solutions with various optimization goals. Most importantly, we propose ways to reduce redundancies of data delivery and service execution through explorations of different types of multicast (service multicast and data multicast) in one-to-many application scenarios.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127376927","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
Integrating elliptic curve cryptography into the web's security infrastructure 将椭圆曲线密码学集成到web的安全基础设施中
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013496
Vipul Gupta, D. Stebila, S. C. Shantz
{"title":"Integrating elliptic curve cryptography into the web's security infrastructure","authors":"Vipul Gupta, D. Stebila, S. C. Shantz","doi":"10.1145/1013367.1013496","DOIUrl":"https://doi.org/10.1145/1013367.1013496","url":null,"abstract":"RSA is the most popular public-key cryptosystem on the Web today but long-term trends such as the proliferation of smaller, simpler devices and increasing security needs will make continued reliance on RSA more challenging over time. We offer Elliptic Curve Cryptography (ECC) as a suitable alternative and describe our integration of this technology into several key components of the Web's security infrastructure. We also present experimental results quantifying the benefits of using ECC for secure web transactions.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115174674","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: 32
Associative sources and agents for zero-input publishing 零输入出版的关联源和代理
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013542
David Wolber, C. Brooks
{"title":"Associative sources and agents for zero-input publishing","authors":"David Wolber, C. Brooks","doi":"10.1145/1013367.1013542","DOIUrl":"https://doi.org/10.1145/1013367.1013542","url":null,"abstract":"This paper presents an associative agent that allows seamless navigation from one's own personal space to third-party associative sources, as well as the personal spaces of other users. The agent provides users with access to a dynamically growing list of information sources, all of which follow a common associative sources API that we have defined. The agent also allows users act as sources themselves and take part in peer-to peer knowledge sharing.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115180285","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
ProThes: thesaurus-based meta-search engine for a specific application domain ProThes:用于特定应用领域的基于同义词库的元搜索引擎
WWW Alt. '04 Pub Date : 2004-05-19 DOI: 10.1145/1013367.1013406
Pavel Braslavski, Gleb Alshanski, A. Shishkin
{"title":"ProThes: thesaurus-based meta-search engine for a specific application domain","authors":"Pavel Braslavski, Gleb Alshanski, A. Shishkin","doi":"10.1145/1013367.1013406","DOIUrl":"https://doi.org/10.1145/1013367.1013406","url":null,"abstract":"In this poster we introduce ProThes, a pilot meta-search engine (MSE) for a specific application domain. ProThes combines three approaches: meta-search, graphical user interface (GUI) for query specification, and thesaurus-based query techniques. ProThes attempts to employ domain-specific knowledge, which is represented by both a conceptual thesaurus and results ranking heuristics. Since the knowledge representation is separated from the MSE core, adjusting the system to a specific domain is trouble free. Thesaurus allows for manual query building and automatic query techniques. This poster outlines the overall system architecture, thesaurus representation format, and query operations. ProThes is implemented on J2EE platform as a Web service.","PeriodicalId":409891,"journal":{"name":"WWW Alt. '04","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116450652","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: 12
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