Aditya Kalyanpur

Effective NL paraphrasing of ontologies on the semantic web (Technical Report (2009)

Daniel Hewlett, Aditya Kalyanpur, Vladimir Kolovski, Christian Halaschek-wiener

Abstract. In this paper, we present an algorithm that provides natural language (NL) paraphrases for OWL Ontologies on the Semantic Web. Our goal is to ensure both fluency (readability) and accuracy...

Computing OWL Ontology Decompositions Using Resolution (2009)

Robert Schiaffino, Achille Fokoue, Aditya Kalyanpur, Aaron Kershenbaum, Li Ma, Chintan Patel, ...

Abstract. Reasoning over large ontologies can be done more effectively if they can be decomposed into smaller parts which can be reasoned on independently. This requires identifying parts of the...

CMSC/AMSC 660-001 Fall 2004 Final Project (2009)

Aditya Kalyanpur, Show All Work

All work must be your own (i.e., no group efforts are allowed). If you use a reference book, cite it, or you will lose credit! In this homework, we shall investigate the problem of finding the...

PDForum A Threaded Interface for Collaborative Annotation of PDF Documents (2009)

Aditya Kalyanpur, Amir Khella

The Portable Document Format (PDF) is currently becoming the standard for digital documents. One of the tasks regularly performed on digital documents is annotating and reviewing annotated documents....

ABSTRACT Title of dissertation: DEBUGGING AND REPAIR OF OWL ONTOLOGIES (2009)

Aditya Kalyanpur

With the advent of Semantic Web languages such as OWL (Web Ontology Language), the expressive Description Logic SHOIN is exposed to a wider audience of ontology users and developers. As an...

Computing OWL Ontology Decompositions Using Resolution (2008)

Robert Schiaffino, Achille Fokoue, Aditya Kalyanpur, Aaron Kershenbaum, Li Ma, Chintan Patel, ...

Abstract. Reasoning over large ontologies can be done more effectively if they can be decomposed into smaller parts which can be reasoned on independently. This requires identifying parts of the...

Solution Sheet for Homework Assignment (2008)

Aditya Kalyanpur

cardinality ≥ 4 are • (a, c, d, e) • (a, c, d, h)

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...

Scalable Cleanup of Information Extraction Data Using Ontologies (2008)

Julian Dolby, James Fan, Achille Fokoue, Aditya Kalyanpur, Li Ma, William Murdock, ...

malli @ cn.ibm.com Abstract. The approach of using ontology reasoning to cleanse the output of information extraction tools was first articulated in SemantiClean. A limiting factor in applying this...

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...

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...

Advisor (2008)

Aditya Kalyanpur, Prof James Hendler

Abstract: 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...

PDForum A Threaded Interface for Collaborative Annotation of PDF Documents (2008)

Aditya Kalyanpur, Amir Khella

The Portable Document Format (PDF) is currently becoming the standard for digital documents. One of the tasks regularly performed on digital documents is annotating and reviewing annotated documents....

OWL: Capturing Semantic Information using a Standardized Web Ontology Language, Multilingual Computing Magazine Vol. 15, issue 7 (2008)

Aditya Kalyanpur, Jennifer Golbeck, Jay Banerjee, James Hendler

The Semantic Web is an extension of the current World Wide Web. The hypertext pages that present information to humans remain, but a new layer of machine understandable data is added to allow...

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...

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...

An RDF Editor and Portal for the Semantic Web (2008)

Aditya Kalyanpur And, Aditya Kalyanpur, Jennifer Golbeck, Michael Grove, Jim Hendler

RDF is emerging as one of the main languages for creating semantic markup on the web. The RDF Editor combines WYSIWIG HTML editing with a semantic web portal for guided semantic markup using...

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...

Ontology Reasoning With Large Data Repositories (2007)

Heymans, Stijn, Ma, Li, Anicic, Darko, Ma, Zhilei, Steinmetz, Nathalie, Pan, Yue, ...

Reasoning with large amounts of data together with ontological knowledge is becoming a pertinent issue. In this chapter, we will give an overviewof well-known ontology repositories, including native...

Pellet (2007)

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...

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...

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...

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...

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...

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...

Automatic mapping of OWL ontologies into Java (2004)

Aditya Kalyanpur Maryland, Aditya Kalyanpur, Daniel Jiménez

We present an approach for mapping an OWL ontology into Java. The basic idea is to create a set of Java interfaces and classes from an OWL ontology such that an instance of a Java class represents an...

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...

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...

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...

Automatic Mapping of OWL Ontologies into Java

Aditya Kalyanpur, Daniel Jiménez

We present an approach for mapping an OWL ontology into Java. The basic idea is to create a set of Java interfaces and classes from an OWL ontology such that an instance of a Java class represents an...