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Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Web Engineering Track Call for Papers Track Chair San Murugesan Southern Cross University Australia [email protected] Deputy Chair Oscar Pastor Lopez Polytechnic Univ. of Valencia, Spain [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The World Wide Web has become a major delivery platform for a variety of complex and sophisticated enterprise applications in several domains. In addition to their inherent multifaceted functionality, these Web applications exhibit complex behavior and place some unique demands on their usability, performance, security and ability to grow and evolve. However, a vast majority of these applications continue to be developed in an ad-hoc way, contributing to problems of usability, maintainability, quality and reliability. While Web development can benefit from established practices from other related disciplines, it has certain distinguishing characteristics that demand special considerations. In the recent years, there have been some developments towards addressing these problems and requirements. As an emerging discipline, Web Engineering actively promotes systematic, disciplined and quantifiable approaches towards successful development of high-quality, ubiquitously usable Web-based systems and applications. The Web Engineering track aims to present new developments in this area. It covers processes, methodologies, systems design, architectures and lifecycle management of small, medium and large Web-based systems and applications. The track is also meant to be a forum to present illustrative case studies and best practices of Web application development. The topics of interest include, but are not restricted to: Web application development processes and methodologies Collaborative Web application development Design models and methods OO Web development and component-based Web engineering Federated and cross-organizational Web applications Development of Web services-based applications Innovative applications in Web 2.0, AJAX, E4X and other new developments Web architectures and application frameworks Model-driven Web application development Reuse and integration Web design patterns and pattern mining Web content management Web personalization Adaptive Web applications Web quality and Web metrics Web usability and accessibility Testing and evaluation of Web systems and applications Deployment of Web applications Performance modeling, monitoring and evaluation Web project management Localization and internalization of Web applications Mobile Web application development Device independent Web delivery Case studies and best practices Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Browsers and User Interfaces Track Call for Papers Track Chair Rob Miller Massachusetts Institute of Technology USA [email protected] Deputy Chair Xing Xie Microsoft Research China [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The Web browser has become the face of cyberspace. As new uses of the Internet are invented and network bandwidth goes up, web user interfaces will need to become richer and more interactive. At the same time, the Web is moving off the desktop and into mobile phones, embedded devices, location-aware services, and large shared displays. Delivering a good experience across a variety of platforms and form factors remains a major challenge. Web users are also discovering new ways to communicate and interact (e.g., communities of trust, social networks, blogs), which present more design challenges and research opportunities. Will familiar paradigms be able to evolve to accommodate new devices, high bandwidth interaction, and new use cases, or is radical change needed in web interface design? The Browsers and User Interfaces track at WWW2007 will provide a forum where both researchers and practitioners can share new approaches, applications, and experimental results about web user interfaces. We invite original papers describing theoretical or experimental research including (but not limited to) the following topics: Browsers and user experience on mobile devices Browser interoperability Novel client-side applications Multimodal web interfaces (e.g. speech and gestures) Information visualization on the Web Multilingual web content design Novel browsing and navigation paradigms Web interaction with the real world (e.g. robotics and sensor networks) Adaptative web interfaces and personalization Ubiquitous web access, shared displays, and wearable computing Web usability and user experience Web accessibility Web-based collaboration and collaborative web use Blogging and social networks Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Data Mining Track Call for Papers Track Chair Roberto Bayardo Google USA [email protected] Deputy Chair Kyuseok Shim Seoul National University Korea [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The phenomenal growth of the web has led to an ever-increasing volume of data and information being published in web-accessible formats. Research in web data mining aims to develop new techniques to derive actionable knowledge and information from these sources. Due to heterogeneity and lack of structure in web data, automated discovery of targeted or unexpected knowledge is a challenging task. It calls for novel methods that draw from a wide range of fields such as data mining, machine learning, natural language processing, statistics, databases, and information retrieval. For the Data Mining track, we invite original and high quality submissions addressing all aspects of web data mining. The relevant topics include, but are not restricted to, the following: Novel classification or clustering methods for web data Mining web content and link structure Web log mining and web traffic analysis Building user profiles and providing recommendations Spatio-temporal analysis of blogs, reviews, and discussions Change detection and monitoring methods for web data Entity and relationship extraction and disambiguation Privacy issues in web mining Data integration and data cleaning Integrating linguistic and domain knowledge in web mining Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org E* Applications Track Call for Papers Track Chair Wolfgang Nejdl L3S and Univ. of Hannover, Germany [email protected] Deputy Chair Elisa Bertino Purdue University USA [email protected] Internet and Web technologies enable new kinds of applications, usually prefixed with a capital "E" as in E-Commerce, E-Business, E-Learning, E-Science, E-Healthcare, E-Entertainment, and E-Communities. Many of these applications are innovative in their use of these technologies, and support new work, learning, or business scenarios. Focusing on E* Applications leads to new requirements as well as to new technologies or extensions of existing ones. The E* Applications track provides a unique forum both for describing innovative E* Applications and scenarios as well as innovative technologies for these areas. We welcome contributions relating to specific classes of E* Applications as well as to cross-cutting issues. Relevant topics include, but are not restricted to, the following: E-Communities and Web-based collaboration (including communities and collaboration in web-based educational environments; E-Learning and E-Science community portals; synchronous collaboration applications and services; community discovery and structures) Data management (including distributed and peer-to-peer-based learning and E- Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org Science repositories; scientific metadata and annotation management; intellectual property and digital rights management; data and workflow provenance for EScience; scientific data quality and data cleaning) Service architectures (including distributed Web services; embedded Web applications; Web standards for E* applications; data protection, security and privacy; ubiquitous computing and internet appliances; recommendation, reputation, and trust systems; computational markets for information services) Data analytics and visualization (including data mining, analysis, and statistics in EScience; scientific visualization and E-Science) E-Commerce and E-Government (including trading algorithms and infrastructures; trend detection infrastructures) and discovery; experiences with innovative e-government Ontologies and the semantic web (including semantic Web and ontologies for E* applications; ontology-based data integration and analysis; languages for describing goods, services and contracts; ontologies for E-Science; conceptual modeling and knowledge represention for E-Science) Experience reports and case studies for E* applications Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Industrial Practice and Experience Track Call for Papers Track Chair Mehran Sahami Google USA [email protected] Deputy Chair Kobus van der Merwe AT&T Labs - Research USA [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org Building robust systems and services that are deployed on the Web or that make use of Web data present a series of interesting challenges to practitioners. Such challenges range broadly from appropriately scaling algorithms to Web-scale data, to dealing effectively with large numbers of distributed users, to robustly operating in adversarial situations where intentional misinformation (e.g., cloaking, spamming, etc.) is provided on the Web. In many cases, adequately addressing such practical issues can make critical differences in the viability and ultimate success of a Webbased system. The Industrial Practice and Experience track invites submissions reporting on research and development addressing practical issues encountered in developing Webbased systems. This includes both theoretical and applied research on a variety of topics, a representative (but, by no means exhaustive) sampling of which includes: Adversarial challenges in Web-based systems, such as denial of service attacks, spoofing, etc. Web spam, cloaking, and/or other forms of misinformation Issues of data integrity and reliability Harnessing user interaction data in Web services Using Web data to enhance other (potentially non-Web-based) systems Novel methods and modifications to existing algorithms to allow them to deal effectively with Web-scale data Computing platforms and architectures for Web services and Web data analysis Lessons learned (both positive and negative) from running Web-based systems, including (but not limited to), search engines, Web-based gaming and streaming services, and social networking portals. General issues in the research, development and/or deployment of successful Web applications Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Performance and Scalability Track Call for Papers Track Chair Michele Colajanni University of Modena Italy [email protected] Deputy Chair Martin Arlitt HP Labs / Univ. of Calgary USA / Canada [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org Performance and scalability are ongoing issues as the Web continues to grow in its diversity of applications, such as those related to pervasive Web and Web services. This area seeks papers addressing these issues for both traditional Web content and newer applications. Papers that examine the performance and/or scalability of any relevant Web-related topic are solicited. Such topics include, but are not restricted to, the following: Availability Load balancing and resource allocation Overlay networks and content-aware routing Content and service delivery Caching and replication Edge services Quality of service and service level agreements (Virtualized) Web hosting infrastructures Workload characterization and capacity planning Web performance modeling Monitoring and management of Web-based services Internet streaming and multimedia Ubiquitous and pervasive Web Experiences with real-world systems Papers focusing on application issues for the Web should be sent to the E-Applications track. Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Pervasive Web and Mobility Track Call for Papers Track Chair Jason Nieh Columbia University USA [email protected] Deputy Chair Robin Kravets University of Illinios USA [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org Within a few years, most of the devices accessing the Web will be mobile. This big switch is raising significant issues that will affect the rest of the Web. The Pervasive Web and Mobility track of seeks papers in this broad and growing area encompassing networking, systems, and applications issues involved in realizing mobile and pervasive access to the Web. Pervasive Web includes technical issues in extending the reach of the Web to emerging regions. We are interested in a broad range of topics in context of mobile and pervasive Web access, including but not limited to: Implementations and experimental mobile systems Usage evaluations of mobile and wireless systems Web proxies and content adaptation Mobile agents Performance and reliability of mobile systems Infrastructure support for mobility and pervasive Web Data management for mobile and wireless applications Applications and services for mobile users Location and context-aware applications and services Wearable and handheld devices Middleware and service architectures for mobile applications Disconnected and intermittently connected operation System-level energy management for mobile and wireless devices Algorithms and protocols for power management and control Service creation and management environments for mobile/wireless systems Low-cost web access devices and networking for emerging regions Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Search Track Call for Papers Track Chair Andrei Broder Yahoo! Research USA [email protected] Deputy Chair Ronny Lempel IBM Haifa Israel [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The Web consists of billions of pages containing insights and information regarding all endeavors of humankind. This information is heterogeneous in language, style, focus, content, linking behavior, purpose, and format. Search engines are great tools to help users explore and access this complex and unstructured information on the Web, and they continue to improve their quality through substantive breakthroughs both within the keyword and link-based search paradigms and beyond them. The Search track welcomes contributions related to any area of web search, including but not restricted to the following: Search engine design and architecture Basic search engine infrastructure: crawling, indexing, and query processing Web specific technologies: the use of link analysis, click-through data, query logs, and other metadata Search-based advertising and the economics of Web search Data-specific web search: multimedia, blogs, news, e-commerce Integration of structured and unstructured data, multifaceted search Search as an enabler of higher-level applications - Implicit Search and Information Supply Personalized search - location, context and activity-aware search Social search and the use of "human computing" in web search Query and search-user modeling Search interfaces, natural language interfaces to search, summarization, post processing tools and feedback Search-motivated characterizations of the web Distributed and peer-to-peer search Meta-search and rank aggregation Enterprise and desktop search The program committee will give preference to: Papers describing applications of wide interest over theoretic papers appealing to specialists Papers dealing with recent trends in search over contributions to well-explored and established techniques Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Security, Privacy, Reliability and Ethics Track Call for Papers Track Chair Angelos Keromytis Columbia University USA [email protected] Deputy Chair Dan Wallach Rice University USA [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The flexibility and richness of the Web architecture have come at the price of increasing complexity and lack of a sound overall security architecture. The movement toward Web-based services, and the increasing dependency on the Web, have also made reliability a first-rate security concern. From malware and spyware, drive-by downloads, typo squatting, denial of service attacks, to phishing and identity theft, a variety of threats make the Web an increasingly hostile and dangerous environment. By undermining user trust, these problems are hampering e-commerce and the growth of online communities. This track promotes the view that security, privacy, reliability, and sound guiding ethics must be part of the texture of a successful World Wide Web. In addition to devising practical tools and techniques, it is the duty of the research community to promote and guide business adoption of security technology for the Web and to help inform related legislation. We seek novel research (both theoretical and practical) in security, privacy, reliability, and ethics as they relate to the Web, including but not limited to the following areas: Authentication, authorization, and auditing on the web Availability and reliability of Web servers and services Intrusion detection and honeypots The Insider threat Privacy-enhancing technologies, including anonymity, pseudonymity and identity management, specifically for the web User interfaces and usability as they relate to use of cryptography and online scams such as phishing and pharming Applications of cryptography to the web, including PKI and supporting concepts like digital signatures, certification, etc. Electronic commerce, particularly security mechanisms for e-cash, auctions, payment, and fraud detection Economic / business analysis of Web security and privacy Legal and legislative approaches to issues of Web security and privacy Secure and robust management of server farms Dealing with client-side risks Security for new web services (blogs, RSS, wikis, etc.) Wireless web security (including RFID, sensors, and mobile phones) Content protection and abuse on the web (DRM, web/blog spam, etc.) Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Semantic Web Track Call for Papers Track Chair Rudi Studer University of Karlsruhe / FZI Germany [email protected] Deputy Chair Riichiro Mizoguchi Osaka University Japan [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The Semantic Web vision involves the sharing and processing of data by automated tools as well as by people. The central idea of the Semantic Web is to extend the current human-readable web by encoding the semantics of web-resources in a machine-interpretable form in order to be able to automatically integrate data from different sources, to perform actions on behalf of the user, and to search for information based on its meaning rather than its syntactic form. This vision requires new and advanced methods, models, tools, and systems for services related to creation, access, retrieval, integration, and filtering of Web-based content. We solicit contributions that demonstrate how semantic technologies can be exploited on the Web. In particular we welcome papers that: show how semantic technologies add value to the Web, achieving things that alternative technologies cannot do as well, or at all; present new semantic technologies, or novel applications of existing semantic technologies that provide new levels of Web functionality; address the role of communities in the Semantic Web; in particular how community effects on the web can be exploited to generate semantics; demonstrate how emerging web trends such as wikis, folkosonomies and social software can be enriched with semantic technologies. Suggested topics include but are not limited to: Distributed architectures for the Semantic Web Emergent semantics Ontologies and representation languages Provenance, trust & security Semantic annotation and metadata Semantic brokering, integration and interoperability Semantic multimedia Semantic search and retrieval Semantic web services Semantic web mining, ontology learning Semantic Web in e-Business, e-Learning, e-Science Semantics in peer-to-peer systems and grids Social networks, web communities Web applications that exploit semantics As well as papers arising directly from Semantic Web research, we also welcome contributions from related disciplines which may contribute to the success of the Semantic Web, including Databases, Natural Language Processing, Machine Learning, Information Retrieval, Distributed Systems, and others. Submissions should describe original, previously unpublished, high quality, innovative work, making significant and preferably not only theoretical, contributions to the overall design of the Semantic Web, Semantic Web systems design and application experience. Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Technology for Developing Regions Track Call for Papers Track Chair Krithi Ramamritham IIT Bombay India [email protected] Deputy Chair Kentaro Toyama Microsoft Research India [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The goal of this track is to promote research that benefits those in developing regions, broadly construed; in essence to make the World Wide Web a little wider. We encourage work from all countries, as long as the target beneficiaries are in resource constrained regions of the world. We welcome papers that: Cover deployments in developing regions of Information and Communications Technologies (ICTs) Show how the needs of DRs differ from those of the industrialized world. Show novel applications of ICTs for DRs: Health care Commerce/Agriculture E-Government Education Disaster Relief/Management Communications (including voice, e-mail, WWW, etc.) Cover HCI issues for DRs Cover power issues for DRs Cover either personal or shared systems or shared infrastructure. Papers risk being deemed out of scope if they only speculate on the connection to developing regions. Suggested topics include but are not limited to: Wired or wireless networking Low-cost computers Affordable access devices Delay tolerant or intermittent networking Rural connectivity Power systems Sensor networks HCI for semi-literate users Task-specific devices (such as low-cost ATMs, field-worker PDAs, etc.) Shared data systems Local content generation or localization to a DR Submissions should describe original, previously unpublished, high quality, innovative work, making significant and preferably not only theoretical, contributions to the available technologies for developing regions. Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org Web Services Track Call for Papers Track Chair Paul Watson University of Newcastle upon Tyne, UK [email protected] Deputy Chair Jim Webber ThoughtWorks Australia [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org Web Services form the architectural and technological basis for a broad range of today's service-oriented computing systems. Since Web Services first emerged, much has changed from the original goal of platform independent procedure calls via XML: standards have emerged, evolved and become deprecated; numerous architectural and practical lessons have been learned; and Web Services toolkits have evolved and become more sophisticated. Key non-functional requirements are now being addressed in the security, transaction, and reliability domains, while new application areas are emerging, including business process orchestration, grid computing and e-science. As a result, Web Services technology has become a widely-used solution for intraand inter-enterprise application integration, including e-commerce. However, improving and better utilizing the technology remains an active area of interest both in the research and industrial application arenas. The Web Services track is therefore aimed at researchers, developers, and architects of Web Services who are interested in the next-generation of systems that use these technologies. They are invited to share their experiences, results, and ideas, which may lead to a better understanding of the promise and reality of pervasive, Service-Oriented computing. The WWW2007 Web Services track is therefore soliciting papers which highlight contemporary and novel approaches in Web Services research and practice. The relevant topics include, but are not restricted to, the following: Service contract and metadata Orchestration, choreography and composition of services Large scale XML data integration Dependability Security and privacy Tools and technologies for Web Services development, deployment and management Software methodologies for Service-Oriented Systems The impact of Web Services on enterprise systems Web Services performance Architectural styles for Web Services computing Application of Web Services technologies in areas including e-commerce, e-science and grid computing Impact of formal methods on Web Services Sixteenth International World Wide Web Conference In cooperation with May 8-12, 2007 Banff, Alberta, Canada http://www2007.org XML and Web Data Track Call for Papers Track Chair Mark Baker Research in Motion Canada [email protected] Deputy Chair Juliana Freire University of Utah USA [email protected] Submissions should present original reports of substantive new work and can be up to 10 pages in length. Papers should properly place the work within the field, cite related work, and clearly indicate the innovative aspects of the work and its contribution to the field. In addition to regular papers, we also solicit submissions of position papers articulating high-level architectural visions, describing challenging future directions, or critiquing current design wisdom. Submissions due: November 20, 2006 For further information: http://www2007.org The Web hosts ever-increasing volumes of diverse data and associated services that cannot be fully exploited unless appropriate management and integration technologies are developed. XML has become the lingua-franca of the Web and XML technologies have become the basis for many Web-based applications. XML is widely used for data exchange and to publish data from database systems to the Web by providing input to content generators for Web pages. The XML and Web Data track promotes novel research on next-generation information systems and technologies for managing Web data. The topics of interest for this track include, but are not limited to: XML query processing and data management Models and query languages for Web data Approximate and trustworthy query answering Data stream management systems Mining, exploration, and visualization of Web data Integration of text into XML and relational databases XML Data and schema integration Warehousing Web data Privacy and security of XML data