Literate, Active OWL Ontologies (2009)
Abstract. OWL ontologies are complex computational artifacts that are intimately connected with conceptual information and with application issues that are not easily explicable in the context of an...
OWL Support for (Some) Non-Deductive Scenarios of Ontology Usage (2009)
Vojtěch Svátek, Miroslav Vacura, Bijan Parsia
Abstract. Applications of ontologies exist that go beyond standard deductive reasoning and rather have the character of empirical discovery in knowledge/data. We analyse the inventory of OWL with...
Understanding Entailments in OWL (2009)
Matthew Horridge, Johannes Bauer, Bijan Parsia, Ulrike Sattler
Abstract. This paper describes the explanation in OWL landscape. In recent years there has been huge progress, both in theory and implementation, in the area of explaining the causes of entailments...
Explanation of OWL Entailments in Protégé 4 (2009)
Matthew Horridge, Bijan Parsia, Ulrike Sattler
This poster and demo presents new OWL ontology explanation tools and facilities that are available in Protégé 4. These explanations take the form of justifications. A justification is a minimal set...
Bijan Parsia, Ulrike Sattler, Thomas Schneider
Abstract. One of the commonly requested features for OWL is some form of key support, generally phrased as allowing inverse-functional datatype properties. For a variety of technical reasons, these...
Towards a Nonmonotonic Extension to OWL (2009)
Abstract. We discuss ALCK, a nonmontonic logic that augments ALC with the epistemic operator K, and argue that a similar extension to OWL would be desirable. We show, however, that at its current...
Beyond Asserted Axioms: Fine-Grain Justifications for OWL-DL Entailments (2008)
Aditya Kalyanpur, Bijan Parsia, Bernardo Cuenca Grau
The Ontology Engineering community widely agrees on the importance of helping the user understand the output of a DL reasoner. The most recent approaches to the problem [4] [3] are based on the...
• Knowledge Representation, especially related to the Semantic Web (2008)
Aditya Kalyanpur, Bijan Parsia, Evren Sirin, Bernardo Cuenca-grau
• Worked with Dr. Steve Battle on exploring ontology use for software development. Designed techniques for migration of an OWL ontology to a Java API. An IBM development team has since built an API...
Towards a Nonmonotonic Extension to OWL (2008)
Abstract. We discuss ALCK, a nonmontonic logic that augments ALC with the epistemic operator K, and argue that a similar extension to OWL would be desirable. We show, however, that at its current...
Composing and decomposing ontologies: a logic-based approach — A Case for Support (2008)
Principal Investigators, Ulrike Sattler, Frank Wolter, Boris Konev, Bijan Parsia
The project will be jointly undertaken by the University of
Finding all Justifications of OWL DL (2008)
Aditya Kalyanpur, Bijan Parsia, Matthew Horridge, Evren Sirin
Abstract. Finding the justifications of an entailment (that is, all the minimal set of axioms sufficient to produce an entailment) has emerged as a key inference service for the Web Ontology Language...
ABSTRACT Meaning and the Semantic Web ∗ (2008)
The meaning of names (URI references) is a contentious issue in the Semantic Web. Numerous proposals as to how to provide meaning for names in the Semantic Web, ranging from a strict localized...
Taowei David Wang, Bijan Parsia
mindswap maryland information and network dynamics lab semantic web agents project What is Ontology Visualization? • View an ontology as a collection of information • Goal: allow users to make...
Generalized link properties for expressive E-connections of description logics (2008)
E-Connections are a robust framework for combining in a decidable way several families of decidable logics, including Description Logics (DLs), Modal Logics, and many logics of time and space....
From SHOQ(D) Toward E-connections (2008)
Bernardo Cuenca Grau, Bijan Parsia
In this paper, we propose a tableau-based technique for reasoning with various distributed DL knowledge bases. This technique can be applied both to DDLs and to new and relevant sublanguages of basic...
Finding All Justifications of OWL DL (2008)
Aditya Kalyanpur, Bijan Parsia, Matthew Horridge, Evren Sirin
Abstract. Finding the justifications of an entailment (that is, all the minimal set of axioms sufficient to produce an entailment) has emerged as a key inference service for the Web Ontology Language...
Integrating Datalog with OWL: Exploring the AL-log approach (2008)
Edna Ruckhaus, Vladimir Kolovski, Bijan Parsia, Bernardo Cuenca
Abstract. We present OWL-log, which is an implementation of the ALlog hybrid knowledge representation system where the Description Logics component is extended to the Web Ontology Language OWL DL. We...
Description Logic Reasoning for Dynamic (2008)
Christian Halaschek-wiener, Bijan Parsia, Evren Sirin, Adtiya Kalyanpur
Recently, there has been interest in providing formal representation of Web content, which can then be processed using automated reasoning techniques. Due to data sources that produce fluctuating...
WS-Policy and Beyond: Application of OWL Defaults to Web Service Policies (2008)
Vladimir Kolovski, Bijan Parsia
Abstract. Recently, there has been an increased amount of attention dedicated to WS-Policy- it has become a W3C submission and a working group was formed to standardize the specification. In our...
of the Rule Interchange Format Working Group (RIF [2]). One approach to (2008)
Vladimir Kolovski, Bijan Parsia, Evren Sirin
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually produce undecidable...
Debugging Unsatisfiable Classes in OWL (2008)
Aditya Kalyanpur, Bijan Parsia, Evren Sirin, James Hendler
As an increasingly large number of OWL ontologies become available on the Semantic Web and the descriptions in the ontologies become more complicated, finding the cause of errors becomes an extremely...
Ontology Performance Profiling and Model Examination: First Steps (2008)
Taowei David Wang, Bijan Parsia
Abstract. “[Reasoner] performance can be scary, so much so, that we cannot deploy the technology in our products. ” – Michael Shepard 3. What are typical OWL users to do when their favorite...
Description Logic Reasoning for Dynamic (2008)
Christian Halaschek-wiener, Bijan Parsia, Evren Sirin, Adtiya Kalyanpur
Recently, there has been interest in providing formal representation of Web content, which can then be processed using automated reasoning techniques. Due to data sources that produce fluctuating...
As an increasingly large number of OWL ontologies become available on the Semantic Web and the descriptions in the ontologies become more complicated, finding the cause of errors becomes an extremely...
Repairing Unsatisfiable Concepts in OWL (2008)
Aditya Kalyanpur, Bijan Parsia, Evren Sirin, Bernardo Cuenca-grau
Abstract. In this paper, we investigate the problem of repairing unsatisfiable concepts in an OWL ontology in detail, keeping in mind the user perspective as much as possible. We focus on various...
Integrating Description Logics and Logics of Motion (2008)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin, Fusun Yaman
There are numerous applications that involve the movement in space and time of complex objects, defined in terms of simpler ones. These applications heavily rely on quantitative spatial and temporal...
Representation Formalisms and Methods – (2007)
Aditya Kalyanpur, Jennifer Golbeck, James Hendler, Bijan Parsia
The promise of the Semantic Web is founded on the principle that online content will be semantically annotated, creating machine-understandable content using interlinking ontologies. In keeping with...
Meaning and the Semantic Web (2007)
The meaning of names (URI references) is a contentious issue in the Semantic Web. Numerous proposals have been given for how to provide meaning for names in the Semantic Web, ranging from a strict...
Trusting Claims from Trusted Sources:Trust Network Based Filtering of Aggregated Claims (2007)
Jennifer Golbeck, Bijan Parsia
On the semantic web, assertions may be aggregated from many sources, those aggregations filtered, reasoned over, aggregated with other aggregators, displayed, scraped, extracted, recombined, and...
Formalisms and Methods]: Representation languages (2007)
The meaning of names (URI references) is a contentious issue in the Semantic Web. Numerous proposals have been given for how to provide meaning for names in the Semantic Web, ranging from a strict...
From SHOQ(D) Toward E-connections (2007)
Bernardo Cuenca Grau, Bijan Parsia
In this paper, we propose a tableau-based technique for reasoning with various distributed DL knowledge bases. This technique can be applied both to DDLs and to new and relevant sublanguages of basic...
SPARQL-DL: SPARQL Query for OWL-DL (2007)
Abstract. There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, SPARQL)...
SPARQL-DL: SPARQL Query for OWL-DL (2007)
Abstract. There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, SPARQL)...
Evren Sirin, Bijan Parsia, Bernardo Cuenca Grau, Aditya Kalyanpur, Yarden Katz
In this paper, we present a brief overview of Pellet: a complete OWL-DL reasoner with acceptable to very good performance, extensive middleware, and a number of unique features. Pellet is the first...
SPARQL-DL: SPARQL Query for OWL-DL (2007)
Abstract. There are many query languages (QLs) that can be used to query RDF and OWL ontologies but neither type is satisfactory for querying OWL-DL ontologies. RDF-based QLs (RDQL, SeRQL, SPARQL)...
Representing Web Service Policies in OWL-DL (2006)
Kolovski, Vladimir, Parsia, Bijan, Katz, Yarden, Hendler, James
Recently, there have been a number of proposals for languages for expressing web service constraints and capabilities, with WS-Policy and WSPL leading the way. The proposed languages, although...
Information Gathering During Planning for Web Service Composition (2006)
Kuter, Ugur, Sirin, Evren, Nau, Dana, Parsia, Bijan, Hendler, James
Hierarchical Task-Network (HTN) based planning techniques have been applied to the problem of composing Web Services, especially when described using the OWL-S service ontologies. Many of the...
A Survey of the Web Ontology Landscape (2006)
Wang, Taowei D., Parsia, Bijan, Hendler, James
We survey nearly 1300 OWL ontologies and RDFS schemas. The collection of statistical data allows us to perform analysis and report some trends. Though most of the documents are syntactically OWL...
Description Logic Reasoning with Syntactic Updates (2006)
Halashek-Wiener, Christian, Parsia, Bijan, Sirin, Evren
Various data sources on the Web tend to be highly dynamic; this is evident in prominent Web services frameworks in which devices register or deregister their descriptions quite rapidly and in...
CropCircles: Topology Sensitive Visualization of OWL Class Hierarchies (2006)
Wang, Taowei D., Parsia, Bijan
OWL ontologies present many interesting visualization challenges. Here we present CropCircles, a technique designed to view the class hierarchies in ontologies as trees. We place special emphasis on...
Semantic Web Research Trends and Directions (2006)
Golbeck, Jennifer, Cuenca Gran, Bernardo, Halaschek-Wiener, Christian, Kalyanpur, Aditya, Katz, Yarden, Parsia, Bijan, ...
The Semantic Web is not a single technology, but rather a collection of technologies designed to work together. As a result, research on the Semantic Web intends both to advance individual...
Implementing OWL Defaults (2006)
Kolovski, Vladimir, Parsia, Bijan, Katz, Yarden
While it has been argued that knowledge representation for the World Wide Web must respect the open world assumption due to the "open" nature of the Web, users of the Web Ontology Language (OWL) have...
Implementing owl defaults (2006)
Vladimir Kolovski, Bijan Parsia, Yarden Katz
Abstract. While it has been argued that knowledge representation for the World Wide Web must respect the open world assumption due to the “open ” nature of the Web, users of the Web Ontology...
Belief Base Revision For Expressive Description Logics (2006)
Christian Halaschek-wiener, Yarden Katz, Bijan Parsia
Abstract. In this work, we address the problem of revision of OWL-DL knowledge bases. We focus on belief bases revision as it has previously been shown that OWL-DL is not AGM-compliant for revision....
Bernardo Cuenca Grau, Ian Horrocks, Bijan Parsia, Peter Patel-schneider, Ulrike Sattler
Abstract. OWL 1.1 is a simple extension of the OWL DL species of the W3C OWL Web Ontology Language. OWL 1.1 has been designed to provide some interesting and useful expressive additions to OWL DL...
Description Logics Reasoning with Syntactic Updates (2006)
Christian Halashek-wiener, Bijan Parsia, Evren Sirin
Abstract. Various data sources on the Web tend to be highly dynamic; this is evident in prominent Web services frameworks in which devices register or deregister their descriptions quite rapidly and...
Image browsing and natural language paraphrases of semantic web annotations (2006)
Christian Halaschek-wiener, Jennifer Golbeck, Bijan Parsia, Vladimir Kolovski, Jim Hendler
Abstract. Recently, there has been interest in marking up digital images with annotations describing the content of the images using Web based ontologies encoded in the W3C’s Web Ontology Language,...
E.S.: Towards Incremental Reasoning Through Updates (2006)
Bijan Parsia, Christian Halaschek-wiener, Evren Sirin
In this paper, we investigate incrementally updating classifications of ontologies encoded in the expressive description logic SHOIN (D), which also corresponds to the W3C standard Web Ontology...
Description Logics Reasoning with Syntactic Updates (2006)
Christian Halashek-wiener, Bijan Parsia, Evren Sirin
Abstract. Various data sources on the Web tend to be highly dynamic; this is evident in prominent Web services frameworks in which devices register or deregister their descriptions quite rapidly and...
Image browsing and natural language paraphrases of semantic web annotations (2006)
Christian Halaschek-wiener, Jennifer Golbeck, Bijan Parsia, Vladimir Kolovski, Jim Hendler
Abstract. Recently, there has been interest in marking up digital images with annotations describing the content of the images using Web based ontologies encoded in the W3C’s Web Ontology Language,...
Annotation and provenance tracking in semantic web photo libraries (2006)
Christian Halaschek-wiener, Jennifer Golbeck, Andrew Schain, Bijan Parsia, Jim Hendler
Abstract. As the volume of digital images available on the Web continues to increase, there is a clear need for more advanced techniques for their effective retrieval and management. In this paper,...
CropCircles: Topology Sensitive Visualization of OWL Class Hierarchies (2006)
Taowei David Wang, Bijan Parsia
Abstract. OWL ontologies present many interesting visualization challenges. Here we present CropCircles, a technique designed to view the class hierarchies in ontologies as trees. We place special...
A Survey of the Web Ontology Landscape (2006)
Taowei David Wang, Bijan Parsia, James Hendler
Abstract. We survey nearly 1300 OWL ontologies and RDFS schemas. The collection of statistical data allows us to perform analysis and report some trends. Though most of the documents are...
Pellet system description (2006)
The description logic SHOIN (D) has attracted considerable interest as the foundation of the W3C standard Web Ontology Language variant, OWL-DL. Pellet is a sound and complete tableau reasoner for...
Optimizations for answering conjunctive abox queries: First results (2006)
Conjunctive query answering is an important task for many applications on Semantic Web. It is important to efficiently answer queries over knowledge bases with large ABoxes. Although answering...
Modularity and web ontologies (2006)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin, Aditya Kalyanpur
Modularity in ontologies is key both for large scale ontology development and for distributed ontology reuse on the Web. However, the problems of formally characterizing a modular representation, on...
CropCircles: Topology Sensitive Visualization of OWL Class Hierarchies (2006)
Taowei David Wang, Bijan Parsia
Abstract. OWL ontologies present many interesting visualization challenges. Here we present CropCircles, a technique designed to view the class hierarchies in ontologies as trees. We place special...
Description Logics DL’06 (2006)
Bijan Parsia, Ulrike Sattler, David Toman
long-standing tradition of international workshops devoted to discussing developments and applications of knowledge representation formalisms and systems based on Description Logics. The list of the...
Automatic Partitioning of OWL Ontologies Using E-Connections (2005)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin, Aditya Kalyanpur
On the Semantic Web, the ability to combine, integrate and reuse ontologies is crucial. The Web Ontology Language (OWL) defines the owl:imports construct, which allows to include by reference all the...
Debugging owl ontologies (2005)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin, Aditya Kalyanpur
Abstract. Modularity in ontologies is key both for large scale ontology development and for distributed ontology reuse on the Web. In this paper, we address the problem of determining and retrieving...
Debugging OWL Ontologies (2005)
Bijan Parsia, Evren Sirin, Aditya Kalyanpur
As an increasingly large number of OWL ontologies become available on the Semantic Web and the descriptions in the ontologies become more complicated, finding the cause of errors becomes an extremely...
Bringing Semantics to Web Services: The OWL-S Approach (2005)
David Martin, Massimo Paolucci, Sheila Mcilraith, Mark Burstein, Drew Mcdermott, Deborah McGuinness, ...
Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic Web...
Semantic Web Architecture: Stack or Two Towers (2005)
Ian Horrocks, Bijan Parsia, Peter Patel-schneider, James Hendler
www.bell-labs.com/user/pfps/ Abstract. We discuss language architecture for the Semantic Web, and in particular different proposals for extending this architecture with a rules component. We argue...
A flexible approach for managing digital images on the semantic web (2005)
Christian Halaschek-wiener, Andrew Schain, Jennifer Golbeck, Bijan Parsia, Jim Hendler
Abstract. As the volume of digital images available on the Web continues to increase, there is a clear need for more advanced techniques for their effective retrieval and management. Recently, there...
Template-based composition of semantic web services (2005)
Evren Sirin, Bijan Parsia, James Hendler
Workflow templates are necessary for various different Web Service related tasks such as encoding business rules in a B2B application, specifying domain knowledge in a scientific Grid application,...
Automatic Partitioning of OWL Ontologies Using E-Connections (2005)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin, Aditya Kalyanpur
On the Semantic Web, the ability to combine, integrate and reuse ontologies is crucial. The Web Ontology Language (OWL) defines the owl:imports construct, which allows to include by reference all the...
Representing web service policies in owl-dl (2005)
Vladimir Kolovski, Bijan Parsia, Yarden Katz, James Hendler
Abstract. Recently, there have been a number of proposals for languages for expressing web service constraints and capabilities, with WS-Policy and WSPL leading the way. The proposed languages,...
Visualizing web ontologies with cropcircles (2005)
Bijan Parsia, Taowei Wang, Jennifer Golbeck
Abstract. We apply a new visualization for complex heirarchies, Crop-Circles, to the interactive visualization of Web Ontologies and E-Connections of Web Ontologies. 1
A tool for working with web ontologies (2005)
Aditya Kalyanpur, Bijan Parsia, James Hendler
Abstract. The task of building an open and scalable ontology browsing and editing tool based on OWL, the first standardized Web-oriented ontology language, requires the rethinking of critical User...
Black box techniques for debugging unsatisfiable concepts (2005)
Aditya Kalyanpur, Bijan Parsia, Evren Sirin
Now that OWL is a W3C Recommendation, one can expect that a much wider community of users and developers will be exposed to the expressive description logic SHIF(D) and SHOIN(D) which are the basis...
Swoop: A Web Ontology Editing Browser (2005)
Aditya Kalyanpur, Bijan Parsia, Evren Sirin, Bernardo Cuenca Grau, James Hendler
In this paper, we describe Swoop, a hypermedia inspired Ontology Browser and Editor based on OWL, the recently standardized Web-oriented ontology language. After discussing the design rationale and...
A flexible approach for managing digital images on the semantic web (2005)
Christian Halaschek-wiener, Andrew Schain, Jennifer Golbeck, Bijan Parsia, Jim Hendler
Abstract. As the volume of digital images available on the Web continues to increase, there is a clear need for more advanced techniques for their effective retrieval and management. Recently, there...
Visualizing web ontologies with cropcircles (2005)
Bijan Parsia, Taowei Wang, Jennifer Golbeck
Abstract. We apply a new visualization for complex heirarchies, Crop-Circles, to the interactive visualization of Web Ontologies and E-Connections of Web Ontologies. 1
OWL-S: Semantic Markup for Web Services (2004)
Martin, David, Burstein, Mark, Hobbs, Jerry, Lassila, Ora, McDermott, Drew, McIlraith, Sheila, ...
OWL-S: Semantic Markup for Web Services (2004)
Martin, David, Burstein, Mark, Hobbs, Jerry, Lassila, Ora, McDermott, Drew, McIlraith, Sheila, ...
OWL-S: Semantic Markup for Web Services (2004)
Martin, David, Burstein, Mark, Hobbs, Jerry, Lassila, Ora, McDermott, Drew, McIlraith, Sheila, ...
Bringing Semantics to Web Services: The OWL-S Approach (2004)
Martin, David, Paolucci, Massimo, McIlraith, Sheila, Burnstein, Mark, McDermott, Drew, McGuinness, Deborah, ...
Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic Web...
Bringing Semantics to Web Services: The OWL-S Approach (2004)
Martin, David, Paolucci, Massimo, McIlraith, Sheila, Burnstein, Mark, McDermott, Drew, McGuinness, Deborah, ...
Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic Web...
Bringing Semantics to Web Services: The OWL-S Approach (2004)
Martin, David, Paolucci, Massimo, McIlraith, Sheila, Burnstein, Mark, McDermott, Drew, McGuinness, Deborah, ...
Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic Web...
Pellet: An owl dl reasoner (2004)
Reasoning capability is of crucial importance to many applications developed for the Semantic Web. Description Logics provide sound and complete reasoning algorithms that can effectively handle the...
Filtering and selecting semantic Web services with interactive composition techniques (2004)
Evren Sirin, Bijan Parsia, James Hendler
services by hand is notoriously difficult. At every step of a composition, users face a plethora of choices. Our assisted composition approach uses the richness of Semantic Web Service descriptions...
Composition-driven Filtering and Selection of Semantic Web Services (2004)
Evren Sirin, Bijan Parsia, James Hendler
Creating novel functionality by means of the composition of existing web services is essential for a variety of applications. One of the main problems for automated web service composition is the gap...
Optimizing Description Logic Reasoning with Nominals: First Results (2004)
Evren Sirin, Bernardo Cuenca Grau, Bijan Parsia
OWL-DL is a World Wide Web Consortium standard for representing ontologies on the Semantic Web. It can be seen as a syntactic variant of the Description Logic SHOIN (D), with an OWL-DL ontology...
Bringing Semantics to Web Services: The OWL-S Approach (2004)
David Martin, Massimo Paolucci, Sheila Mcilraith, Mark Burstein, Drew Mcdermott, Deborah Mcguinness, ...
Abstract. Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic...
Planning for Semantic Web Services (2004)
Abstract. Using Semantic Web ontologies to describe Web Services has proven to be useful for various different tasks including service discovery and composition. AI planning techniques have been...
HTN Planning for Web Service Composition Using SHOP2 (2004)
Evren Sirin, Bijan Parsia, Dan Wu, James Hendler, Dana Nau
Automated composition of Web Services can be achieved by using AI planning techniques. Hierarchical Task Network (HTN) planning is especially well-suited for this task. In this paper, we describe how...
Planning for Semantic Web Services (2004)
Evren Sirin And, Evren Sirin, Bijan Parsia
Using Semantic Web ontologies to describe Web Services has proven to be useful for various different tasks including service discovery and composition.
Lifecycle of a casual web ontology development process (2004)
Aditya Kalyanpur, Nada Hashmi, Jennifer Golbeck, Bijan Parsia
Most of the existing ontology development toolkits are not catered towards ‘casual web ontology development’, a notion analogous to standard web page development. Key features of this process...
Information Gathering During Planning for Web Service Composition (2004)
Ugur Kuter, Evren Sirin, Dana Nau, Bijan Parsia, James Hendler
Abstract. Hierarchical Task-Network (HTN) based planning techniques have been applied to the problem of composing Web Services, especially when described using the OWL-S service ontologies. Many of...
Information Gathering During Planning for Web Service Composition (2004)
Ugur Kuter, Evren Sirin, Dana Nau, Bijan Parsia, James Hendler
Abstract. Hierarchical Task-Network (HTN) based planning techniques have been applied to the problem of composing Web Services, especially when described using the OWL-S service ontologies. Many of...
Working with multiple ontologies on the semantic web (2004)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin
Abstract. The standardization of the second generation Web Ontology Language, OWL, leaves a crucial issue for Web-based ontologies unsatisfactorily resolved: how to represent and reason with multiple...
Hypermedia inspired ontology engineering environment: Swoop (2004)
Aditya Kalyanpur, Evren Sirin, Bijan Parsia, James Hendler
In this paper, we present the design and architecture of a hypermedia inspired ontology engineering environment- SWOOP. With its web-metaphor, adherence to OWL recommendations, fluid ontology...
Bringing Semantics to Web Services: The OWL-S Approach (2004)
David Martin, Massimo Paolucci, Sheila Mcilraith, Mark Burstein, Drew Mcdermott, Deborah Mcguinness, ...
Abstract. Service interface description languages such as WSDL, and related standards, are evolving rapidly to provide a foundation for interoperation between Web services. At the same time, Semantic...
Tableau algorithms for econnections of description logics (2004)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin
For many years, the Modal Logic community has pursued various techniques for robustly combining logics. These methodologies reflect a new direction in Logic applied to Knowledge Representation,...
Working with multiple ontologies on the semantic web (2004)
Bernardo Cuenca Grau, Bijan Parsia, Evren Sirin
Abstract. The standardization of the second generation Web Ontology Language, OWL, leaves a crucial issue for Web-based ontologies unsatisfactorily resolved: how to represent and reason with multiple...
Task computing - the semantic web meets pervasive computing (2003)
Ryusuke Masuoka, Bijan Parsia, Yannis Labrou
Abstract. Non-expert users have to accomplish non-trivial tasks in application and device-rich computing environments. The increasing complexity of such environments is detrimental to user...
Semi-automatic Composition of Web Services using Semantic Descriptions (2003)
Evren Sirin, James Hendler, Bijan Parsia
Abstract. As web services become more prevalent, tools will be needed to help users find, filter and integrate these services. Composing existing services to obtain new functionality will prove to be...
National Cancer Institute's Thesaurus and Ontology (2003)
Jennifer Golbeck, Gilberto Fragoso, Frank Hartel, Jim Hendler, Jim Oberthaler, Bijan Parsia
this paper will describe the terminology development process at NCI, and the issues associated with converting a description logic based nomenclature to a semantically rich OWL ontology
Automatic Web Services Composition Using SHOP2 (2003)
Dan Wu Evren, Dan Wu, Evren Sirin, James Hendler, Dana Nau, Bijan Parsia
Semantic markup of Web services will enable the automation of various kinds of tasks, including discovery, composition, and execution of Web services. We describe how an AI planning system (SHOP2)...
Onthology-Enabled Pervasive Computing Applications (2003)
R. Masuoka, James Hendler, Ryusuke Masuoka, Yannis Labrou, Bijan Parsia, ...
local services combined with services available pervasively and remotely. Our research aims to empower nonexpert users with the ability to perform complex tasks in information-rich, device-rich, and...
Trust Networks on the Semantic Web (2003)
Jennifer Golbeck, Bijan Parsia, James Hendler
Abstract. The so-called "Web of Trust " is one of the ultimate goals of the Semantic Web. Research on the topic of trust in this domain has focused largely on digital signatures,...
Automatic Web services composition using SHOP2 (2003)
Dan Wu, Evren Sirin, James Hendler, Dana Nau, Bijan Parsia
Semantic markup of Web services will enable the automation of various kinds of tasks, including discovery, composition, and execution of Web services. We describe how an AI planning system (SHOP2)...
Automatic Web services composition using SHOP2 (2003)
Dan Wu, Evren Sirin, James Hendler, Dana Nau, Bijan Parsia
Semantic markup of Web services will enable the automation of various kinds of tasks, including discovery, composition, and execution of Web services. We describe how an AI planning system (SHOP2)...
Automating DAML-S Web Services Composition Using SHOP2 (2003)
Dan Wu, Bijan Parsia, Evren Sirin, James Hendler, And Dana Nau, Dana Nau
The DAML-S Process Model is designed to support the application of AI planning techniques to the automated composition of Web services. SHOP2 is an Hierarchical Task Network (HTN) planner well-suited...
Author-generated Dublin Core Metadata for Web Resources: A Baseline Study in an Organization (2001)
Jane Greenberg, Maria Cristina Pattuelli, Bijan Parsia, W. Davenport Robertson
This paper reports on a study that examined the ability of resource authors to create acceptable metadata in an organizational setting. The results indicate that authors can create good quality...
Author-generated Dublin Core Metadata for Web Resources: A Baseline Study in an Organization (2001)
Jane Greenberg, Maria Cristina Pattuelli, Bijan Parsia, W. Davenport Robertson
This paper reports on a study that examined the ability of resource authors to create acceptable metadata in an organizational setting. The results indicate that authors can create good quality...
Automatic Web Services Composition Using SHOP2 (1998)
Wu, Dan, Sirin, Evren, Hendler, James, Nau, Dana, Parsia, Bijan
Semantic markup of Web services will enable the automation of various kinds of tasks, including discovery, composition, and execution of Web services. We describe how an AI planning system (SHOP2)...
Automating DAML-S Web Services Composition Using SHOP2 (1998)
Wu, Dan, Parsia, Bijan, Sirin, Evren, Hendler, James, Nau, Dana
The DAML-S Process Model is designed to support the application of AI planning techniques to the automated composition of Web services. SHOP2 is an Hierarchical Task Network (HTN) planner well-suited...
SMORE -Semantic Markup, Ontology, and RDF Editor (1998)
Kalyanpur, Aditya, Hendler, James, Parsia, Bijan, Golbeck, Jennifer
The promise of the Semantic Web is founded on the principle that online content will be semantically annotated, creating machine-understandable content using interlinking ontologies. In keeping with...
A Flexible Approach for Managing Digital Images on the Semantic Web (1998)
Halaschek-Wiener, Christian, Schain, Andrew, Golbeck, Jennifer, Grove, Michael, Parsia, Bijan, Hendler, Jim
As the volume of digital images available on the Web continues to increase, there is a clear need for more advanced techniques for their effective retrieval and management. Recently, there has been...
HTN Planning for Web Service Composition Using SHOP2 (1998)
Sirin, Evren, Parsia, Bijan, Wu, Dan, Hendler, James, Nau, Dana
Automated composition of Web Services can be achieved by using AI planning techniques. Hierarchical Task Network (HTN) planning is especially well-suited for this task. In this paper, we describe how...
Image Browsing and Natural Language Paraphrases of Semantic Web Annotations (1998)
Halaschek-Wiener, Christian, Golbeck, Jennifer, Parsia, Bijan, Kolovski, Vladimir, Hendler, Jim
Recently, there has been interest in marking up digital images with annotations describing the content of the images using Web-based ontologies encoded in the W3C's Web Ontology Language (OWL). The...