Group items tagged

OWL Resource: definitions, specifications, etc.

General purpose ontologies and domain ontologies make up the infrastructure of the Semantic Web, which allow for accurate data representations with relations, and data inferences. In our approach to multimodal dialogue systems providing question answering functionality (SMARTWEB), the ontological infrastructure is essential. We aim at an integrated approach in which all knowledge-aware system modules are based on interoperating ontologies in a common data model. The discourse ontology is meant to provide the necessary dialogue- and HCI concepts. We present the ontological syntactic structure of multimodal question answering results as part of this discourse ontology which extends the W3C EMMA annotation framework and uses MPEG-7 annotations. In addition, we describe an extension to ontological result structures where automatic and context-based sorting mechanisms can be naturally incorporated.

We present an approach to hybrid semantic Web service matching that complements logic based reasoning with approximate matching based on syntactic IR based similarity computations. The hybrid matchmaker, called OWLS-MX, applies this approach to services and requests specified in OWL-S. Experimental results of measuring performance and scalability of different variants of OWLS-MX show that under certain constraints logic based only approaches to OWLS service I/O matching can be significantly outperformed by hybrid ones.

This document is designed as being a simple but comprehensive introductory publication for anybody trying to get into the Semantic Web: from beginners through to long time hackers. Recommended pre-reading: the Semantic Web in Breadth.

ASWC 2008 will present the latest research and development of the Semantic Web and its related technologies. It will include a Research Track, a Semantic Web in Use Track, a Poster and Demonstration Track.

Project10X has just published a new study that charts the next stage of internet evolution - Web 3.0 - and the role semantic technologies in next generation applications and business models. Entitled Semantic Wave 2008 Report: Industry Roadmap to Web 3.0 and Multibillion Dollar Market Opportunities, this study is must reading for investors, technology developers, and enterprises in the public and private sector who want to better understand semantic technologies, the business opportunities they present, and the ways Web 3.0 will change how we use and experience the internet for pleasure and profit. The report is 400+ pages, comprehensive, well illustrated, and written to be readily understood by business and government executives as well as IT professionals. We invite you to download a free 27-page summary of this report at the following link: Semantic Wave 2008 Report: Executive Summary

IBM To represent the Semantic Web, you'll use the following technologies: * A global naming scheme (URIs) * A standard syntax for describing data (RDF) * A standard means of describing the properties of that data (RDF Schema) * A standard means of describing relationships between data items (ontologies defined with the OWL Web Ontology Language) Let's take a closer look at these technologies.

Showing 364 publications - semantic web

A complex set of extensions to the World Wide Web, the Semantic Web will make data and services more accessible to computers and useful to people. Some of these extensions are being deployed, and many are coming in the next years. This is the only book to explore the territory of the Semantic Web in a broad and conceptual manner. This Guide acquaints you with the basic ideas and technologies of the Semantic Web, their roles and inter-relationships. The key areas covered include knowledge modeling (RDF, Topic Maps), ontology (OWL), agents (intelligent and otherwise), distributed trust and belief, "semantically-focused" search, and much more. The book's basic, conceptual approach is accessible to readers with a wide range of backgrounds and interests. Important points are illustrated with diagrams and occasional markup fragments. As it explores the landscape it encounters an ever-surprising variety of novel ideas and unexpected links. The book is easy and fun to read - you may find it hard to put down.

eLearning is fast, relevant and just-in-time learning grown from the learningrequirements of the new, dynamically changing, distributed business world. The term „Semantic Web" encompasses efforts to build a new WWW architecture that supports content with formal semantics, which enables better possibilities for searching and navigating through the cyberspace. As such, the Semantic Web represents a promising technology for realizing eLearning requirements. This paper presents an approach for implementing the eLearning scenario using Semantic Web technologies. It is primarily based on ontology-based descriptions of content, context and structure of the learning materials and benefits the providing of and accessing to the learning materials.

About the Conference The vision of the Semantic Web is to enhance today's Web by exploiting machine-processable metadata. The explicit representation of the semantics of data, enriched with domain theories (ontologies), will enable a web that provides a qualitatively new level of service. It will weave together a large network of human knowledge and makes this knowledge machine-processable. Various automated services will help the users to achieve their goals by accessing and processing information in machine-understandable form. This network of knowledge systems will ultimately lead to truly intelligent systems, which will be employed for various complex decision-making tasks.

Dragan Gasevic's home page (2002-2008) Refereed International Journal Editorial, Refereed International Journal Publications, Refereed National Journal Publications

In this paper it is presented our contribution for carrying out adaptive and intelligent Web-based Education Systems (WBES) that take into account the individual student learning requirements, by means of a holistic architecture and Framework for developing WBES. In addition, three basic modules of the proposed WBES are outlined: an Authoring tool, a Semantic Web-based Evaluation, and a Cognitive Maps-based Student Model. As well, it is stated a Service Oriented Architecture (SOA) oriented to deploy reusable, accessible, durable and interoperable services. The approach enhances the Learning Technology Standard Architecture, proposed by IEEE-LTSA (Learning Technology System Architecture) [IEEE 1484.1/D9 LTSA (2001). Draft standard for learning technology - learning technology systems architecture (LTSA). New York, USA. URL: http://ieee.ltsc.org/wg1], and the Sharable Content Object Reusable Model (SCORM), claimed by Advanced Distributed Learning (ADL) [Advanced Distributed Learning Initiative (2004). URL: http://www.adlnet.org].

Designing the Semantic Web for Higher Education Technological and Socio-economical Challenges 2002 What is the Semantic Web all about? How do Use Cases of the Semantic Web look like and how can we realize them? What is missing from the socio-economicalpoint of view?

Topic: Semantic Web Recent Posts in this Topic 5Cs Dave Snowden revises and reprises his conditions of complexity. Including this one: "Constraint is key to understanding complexity, it governs the transition between the three ontologies. Increase constraint and you create an ordered system; do that inappropriately and you create the conditions for catastrophic failure; remove constraint and the system is chaotic. Lightly constrain the system, while allowing it to be modified by the actors within it and you enable evolution and the emergence of meaning. Managing constrains is one of the things you can train managers to do, and measure their capability and effectiveness." Do I agree with that? I don't know. How do you constrain them. Who does the constraining? With networks there can be natural limits, which prevents them from being scale free. But I don't think this is what Snowden means. Dave Snowden, Cognitive Edge, October 23, 2008 [Link] [Tags: Ontologies, Networks, Semantic Web] [Comment]

Publications Managing Ontology Lifecycles in Corporate Settings Markus Luczak-Rösch and Ralf Heese: Managing Ontology Lifecycles in Corporate Settings, International Conference on Semantic Systems (I-SEMANTICS), Graz, Austria, September 03-05, 2008 Interoperability Issues, Ontology Matching and MOMA Malgorzata Mochol: Interoperability Issues, Ontology Matching and MOMA, International Conference on Semantic Systems (I-SEMANTICS), Graz, Austria, September 03-05, 2008 Towards a rule-based matcher selection Malgorzata Mochol, Anja Jentzsch: Towards a rule-based matcher selection, 6th International Conference on Knowledge Engineering and Knowledge Management Knowledge Patterns (EKAW2008), Acitrezza, Catania, Italy, September 29 - October 03, 2008 Simple Back-end Services for Corporate Semantic Web Robert Tolksdorf, Radoslaw Oldakowski, Thomas Hoppe: Simple Back-end Services for Corporate Semantic Web, 3rd International Workshop on Applications of Semantic Technologies (AST 2008) at INFORMATIK 2008, Munich, Germany, September 2008. (Abstract) A Generic Corporate Ontology Lifecycle Markus Luczak-Rösch and Ralf Heese: A Generic Corporate Ontology Lifecycle, 3rd Workshop on Semantic Wikis, European Semantic Web Conference, June 2008 (Abstract, Poster)

The "Social Semantic Web" is here - yay! The book of the same name, edited by Andreas Blumauer (right) and Tassilo Pellegrini, is now available in stores. Another contributor from SWC is Matthias Samwald (left), who, together with Holger Stenzhorn, discussed the relevance of the Semantic Web for biomedial research in their article for the book.

The International Journal on Semantic Web and Information Systems (IJSWIS) promotes a knowledge transfer channel where academics, practitioners, and researchers can discuss, analyze, criticize, synthesize, communicate, elaborate, and simplify the more-than-promising technology of the semantic Web in the context of information systems. The journal aims to establish value-adding knowledge transfer and personal development channels in three distinctive areas: academia, industry, and government.

Collection of technical articles.

The Semantic Web is an extension of the current web in which information is given well-defined meaning, better enabling computers and people to work in cooperation. The following is an archive of some of the publications or interviews that were published by the W3C Staff.