Identifying all such description logic rules leads to a decidable fragment goal. This looks at the semantic web design in the light a little reading on formal logic, of the access limited logic system, in particular, and in the light of logical languages in general. He has a background in computational logic, modal and nonmonotonic extensions of logic programming, multimodal logics, reasoning by actions and change. It has always been a problem for software developers, release managers. Logic programming and software engineering implications. Classical logic and knowledge representation answer set programming reasoning about actions and planning ontology, semantic web languages, and knowledge graph combining logic and probability. Recent research has addressed issues similar to ours concerning combining logic programming with semantic web ontologies and rule technologies.
Typed hybrid description logic programs with ordersorted. Logic program resource description framework logic programming stable. Compare the best free open source windows semantic web rdf, owl, etc. Covering the authors own stateoftheart research results, mathematical aspects of logic programming semantics presents a rigorous, modern account of the mathematical methods and tools.
He is involved in the development of the semantic web indexing project sindice. An extended reading list and software packages semantic web and rdf. The core system has been shaped to its current form while being. Semantic web is an extension to the world wide web. However, if we wanted to employ a computer program to search for webbased information for. The representation may be an ontology or a rule set designed with different standards, including the semantic web and logic programming. Semantics in it is a term for the ways that data and commands are presented. The last two decades of research in logic programming, both at the theoretical and practical levels, have addressed several topics highly relevant for the semantic web effort, providing very concrete answers to some open questions. Naeem khalid janjua this book reports on the development and. Ontobroker is scalable semantic web middleware that supports owl, rdf, rdfs, sparql and flogic. Programming the semantic web by jamie taylor, colin evans, toby segaran get programming the semantic web now with oreilly online learning. These technologies are used to formally represent metadata. To this end, we introduce description logic programs or dlprograms, which consist.
Semantic web lod records management big data assisted search rdf stores semantic databases entity linking. His main fields of interest include declarative programming logic programming, constraint programming, the prolog. Combining answer set programming with description logics for the. The reason for this question is, among the many people i talked to with prolog. It provides a java api for programmatic management of owl dl and swrl ontologies, an inference.
A semantic web primer for objectoriented software developers. The semantic web rule language swrl is a proposed language for the semantic web that can be used to express rules as well as logic, combining owl dl or owl lite with a subset of the rule markup. It covers application or domain knowledge about the activities. With this book, the promise of the semantic web in which machines can find, share, and combine data on the web is not just a technical possibility, but a practical reality programming the semantic web demonstrates several ways to implement semantic web applications, using current and emerging standards and technologies. Combining semantic web and logic programming for agent. Rdf datatyping this document summarizes the common understanding of the rdf core working group further referred to as wg with regards to the theoretical foundation for datatyping of literal values and serves as a basis of definition, discussion, and comparison of all proposed schemes for achieving a complete datatyping solution which are to be considered by the wg.
It emphasizes on representing a web of data instead of web. Building rules on top of ontologies for the semantic web. Reification is the process by which an abstract idea about a computer program is turned into an explicit data model or other object created in a programming language. The purpose of the semantic web is to provide structure to the web and data in general. A defeasible logic programmingbased framework to support argumentation in semantic web applications. Swiprolog theory and practice of logic programming. However, theres an alternative conceptualisation and, in fact, there are probably many in which the top layers of the semantic web stack, including unifying logic, are not needed, because thats not what. To enable the encoding of semantics with the data, technologies such as resource description framework rdf and web ontology language owl are used. Pdf semantic web logic programming tools jose alferes. The distributional index contains the vector representations for the logic program predicates. Composing customized web 3d animations with semantic. Both these approaches are based on mathematical logic and. Classifier technology is built on top of languages such as the web ontology language to allow a logical semantic level on to. With this book, the promise of the semantic web in which machines can find, share, and combine data on the web is not just a technical possibility, but a practical reality programming the semantic web.
In linguistics, semantics is the study of meanings. Free open source windows semantic web rdf, owl, etc. Proof explanation for the semantic web using defeasible logic. An rdf graph the stuff with uri references as syntax encodes a graph of abstract resources as semantic. The course presents two novel computing technologies. Mathematical aspects of logic programming semantics. Several research and industrial projects have either successfully applied logic programming languages during. A problem here is a that i am no logician, and so i am am having to step like a fascinated reporter into this world of which i do not possess intimate experience. What is unifying logic within the semantic stack model and. The distributional index supports the computation of a distributional semantic relatedness measure i. Expressive description logic languages form the basis for popular ontology languages on the semantic web. Semantic versioning also referred as semver is a versioning system that has been on the rise over the last few years. Prolog handles the semantic web resource description framework rdf model naturally, where rdf provides a stable model for knowledge representation with. Knowledge representation for the semantic web, ki 2009 semantic web 15 description logic rules observation.
Swiprolog is neither a commercial prolog system nor a purely academic enterprise, but increasingly a community project. A graph of abstract resources as syntax encodes a conceptual model as semantic. Semantics is a linguistic concept separate from the concept of syntax, which is also often related to attributes of computer. The last two decades of research in logic programming, both at the theoretical and practical levels, have addressed several topics highly relevant for the semantic web effort, providing very. In the last two decades, the growing trend of software development industry has made different aspects of software engineering more interesting for the computer science research community. In computer science, the term is frequently used to differentiate the meaning of an instruction from its format. In this work we present the design and implementation of a system for proof explanation in the semantic web, based on defeasible reasoning. Compare the best free open source semantic web rdf, owl, etc. The goal of the semantic web is to make internet data machinereadable. The semantic web is an extension of the world wide web through standards set by the world wide web consortium w3c.
The level of flexibility is ideal for handling the ever changing world of the internet. A defeasible logic programmingbased framework to support. I would like to listen from people who have real world programming experience in using swiprologs semantic library. Logic programming is based on a subset of firstorder logic, namely horn logic, but uses a slightly different semantics and can be extended with nonmonotonic negation. The semantic web represents a broad range of ideas and technologies that. Principles and practice of semantic web reasoning pp 1632. Triple store, logic programming, semantic web framework 1.
We show that logic programming ooers useful methods and techniques to software engineers. Building rules on top of ontologies is the ultimate goal of the logical layer of the semantic web. Pdf semantic web logic programming tools luis moniz. Combining semantic web and logic programming for agent reasoning. This paper is concerned with one dimension of that potential, the impact that experience with developing logic programs can have on software design. We present a logic programming perspective on programming patterns, systematic program development, design for provability, and the paradigm of meta.
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