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Articles 1 - 30 of 112
Full-Text Articles in Social and Behavioral Sciences
Research In Semantic Web And Information Retrieval: Trust, Sensors, And Search, Krishnaprasad Thirunarayan
Research In Semantic Web And Information Retrieval: Trust, Sensors, And Search, Krishnaprasad Thirunarayan
Kno.e.sis Publications
No abstract provided.
Towards Reasoning Pragmatics, Pascal Hitzler
Towards Reasoning Pragmatics, Pascal Hitzler
Computer Science and Engineering Faculty Publications
The realization of Semantic Web reasoning is central to substantiating the Semantic Web vision. However, current mainstream research on this topic faces serious challenges, which force us to question established lines of research and to rethink the underlying approaches.
Wsu Research News, Winter 2009, Office Of Research And Sponsored Programs, Wright State University
Wsu Research News, Winter 2009, Office Of Research And Sponsored Programs, Wright State University
WSU Research News
A twenty-four page newsletter of the WSU Research News. The WSU Research News was published monthly beginning in June of 1968 and issued by the Office of Research Development. This newsletter was created to provide information to the WSU faculty about the availability of outside funds for research and educational programs, new developments that may affect availability of funds, and general information on research and educational activities at Wright State University.
Reference On The Web: Common Health Concerns, Terese Desimio
Reference On The Web: Common Health Concerns, Terese Desimio
University Libraries' Staff Publications
The article discusses the use of health science related reference sites on the internet and the most commonly searched health concerns.
A Contrast Pattern Based Clustering Quality Index For Categorical Data, Qingbao Liu, Guozhu Dong
A Contrast Pattern Based Clustering Quality Index For Categorical Data, Qingbao Liu, Guozhu Dong
Kno.e.sis Publications
Since clustering is unsupervised and highly explorative, clustering validation (i.e. assessing the quality of clustering solutions) has been an important and long standing research problem. Existing validity measures have significant shortcomings. This paper proposes a novel contrast pattern based clustering quality index (CPCQ) for categorical data, by utilizing the quality and diversity of the contrast patterns (CPs) which contrast the clusters in clusterings. High quality CPs can characterize clusters and discriminate them against each other. Experiments show that the CPCQ index (1) can recognize that expert-determined classes are the best clusters for many datasets from the UCI repository; (2) does …
Sparql Query Re-Writing For Spatial Datasets Using Partonomy Based Transformation Rules, Prateek Jain, Cory Andrew Henson, Amit P. Sheth, Peter Z. Yeh, Kunal Verma
Sparql Query Re-Writing For Spatial Datasets Using Partonomy Based Transformation Rules, Prateek Jain, Cory Andrew Henson, Amit P. Sheth, Peter Z. Yeh, Kunal Verma
Kno.e.sis Publications
Often the information present in a spatial knowledge base is represented at a different level of granularity and abstraction than the query constraints. For querying ontology’s containing spatial information, the precise relationships between spatial entities has to be specified in the basic graph pattern of SPARQL query which can result in long and complex queries. We present a novel approach to help users intuitively write SPARQL queries to query spatial data, rather than relying on knowledge of the ontology structure. Our framework re-writes queries, using transformation rules to exploit part-whole relations between geographical entities to address the mismatches between query …
A Local Qualitative Approach To Referral And Functional Trust, Krishnaprasad Thirunarayan, Dharan Althuru, Cory Andrew Henson, Amit P. Sheth
A Local Qualitative Approach To Referral And Functional Trust, Krishnaprasad Thirunarayan, Dharan Althuru, Cory Andrew Henson, Amit P. Sheth
Kno.e.sis Publications
Trust and confidence are becoming key issues in diverse applications such as ecommerce, social networks, semantic sensor web, semantic web information retrieval systems, etc. Both humans and machines use some form of trust to make informed and reliable decisions before acting. In this work, we briefly review existing work on trust networks, pointing out some of its drawbacks. We then propose a local framework to explore two different kinds of trust among agents called referral trust and functional trust, that are modelled using local partial orders, to enable qualitative trust personalization. The proposed approach formalizes reasoning with trust, distinguishing between …
Wright State University Women's Basketball Media Guide 2009-2010, Wright State University Athletics
Wright State University Women's Basketball Media Guide 2009-2010, Wright State University Athletics
Athletics Publications
A media guide for Wright State University's 2009-2010 Women's Basketball team. This guide includes photographs, player stats, game results, and records.
Wright State University Men's Basketball Media Guide 2009-2010, Wright State University Athletics
Wright State University Men's Basketball Media Guide 2009-2010, Wright State University Athletics
Athletics Publications
A media guide for Wright State University's 2009-2010 Men's Basketball team. This guide includes photographs, player stats, game results, and records.
The Guardian, November 11, 2009, Wright State University Student Body
The Guardian, November 11, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
The Guardian, November 4, 2009, Wright State University Student Body
The Guardian, November 4, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
An Anytime Algorithm For Computing Inconsistency Measurement, Yue Ma, Guilin Qi, Guohui Xiao, Pascal Hitzler, Zuoquan Lin
An Anytime Algorithm For Computing Inconsistency Measurement, Yue Ma, Guilin Qi, Guohui Xiao, Pascal Hitzler, Zuoquan Lin
Computer Science and Engineering Faculty Publications
Measuring inconsistency degrees of inconsistent knowledge bases is an important problem as it provides context information for facilitating inconsistency handling. Many methods have been proposed to solve this problem and a main class of them is based on some kind of paraconsistent semantics. In this paper, we consider the computational aspects of inconsistency degrees of propositional knowledge bases under 4-valued semantics. We first analyze its computational complexity. As it turns out that computing the exact inconsistency degree is intractable, we then propose an anytime algorithm that provides tractable approximation of the inconsistency degree from above and below. We show that …
Ontology-Driven Provenance Management In Escience: An Application In Parasite Research, Satya S. Sahoo, D. Brent Weatherly, Raghava Mutharaju, Pramod Anantharam, Amit P. Sheth, Rick L. Tarleton
Ontology-Driven Provenance Management In Escience: An Application In Parasite Research, Satya S. Sahoo, D. Brent Weatherly, Raghava Mutharaju, Pramod Anantharam, Amit P. Sheth, Rick L. Tarleton
Kno.e.sis Publications
Provenance, from the French word “provenir”, describes the lineage or history of a data entity. Provenance is critical information in scientific applications to verify experiment process, validate data quality and associate trust values with scientific results. Current industrial scale eScience projects require an end-to-end provenance management infrastructure. This infrastructure needs to be underpinned by formal semantics to enable analysis of large scale provenance information by software applications. Further, effective analysis of provenance information requires well-defined query mechanisms to support complex queries over large datasets. This paper introduces an ontology-driven provenance management infrastructure for biology experiment data, as part …
The Guardian, October 28, 2009, Wright State University Student Body
The Guardian, October 28, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
A Survey Of The Semantic Specification Of Sensors, Michael Compton, Cory Andrew Henson, Laurent Lefort, Holger Neuhaus, Amit P. Sheth
A Survey Of The Semantic Specification Of Sensors, Michael Compton, Cory Andrew Henson, Laurent Lefort, Holger Neuhaus, Amit P. Sheth
Kno.e.sis Publications
Semantic sensor networks use declarative descriptions of sensors promote reuse and integration, and to help solve the difficulties of installing, querying and maintaining complex, heterogeneous sensor networks. This paper reviews the state of the art for the semantic specification of sensors, one of the fundamental technologies in the semantic sensor network vision. Twelve sensor ontologies are reviewed and analysed for the range and expressive power of their concepts. The reasoning and search technology developed in conjunction with these ontologies is also reviewed, as is technology for annotating OGC standards with links to ontologies. Sensor concepts that cannot be expressed accurately …
The Guardian, October 21, 2009, Wright State University Student Body
The Guardian, October 21, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
Provenir Ontology: Towards A Framework For Escience Provenance Management, Satya S. Sahoo, Amit P. Sheth
Provenir Ontology: Towards A Framework For Escience Provenance Management, Satya S. Sahoo, Amit P. Sheth
Kno.e.sis Publications
Provenance metadata describes the 'lineage' or history of an entity and necessary information to verify the quality of data, validate experiment protocols, and associate trust value with scientific results. eScience projects generate data and the associated provenance metadata in a distributed environment (such as myGrid) and on a very large scale that often precludes manual analysis. Given this scenario, provenance information should be, (a) interoperable across projects, research groups, and application domains, and (b) support analysis over large datasets using reasoning to discover implicit information. In this paper, we introduce an ontology-driven framework for eScience provenance management underpinned by an …
The Guardian, October 14, 2009, Wright State University Student Body
The Guardian, October 14, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
Wright State University Libraries Access Newsletter Fall 2009, Wright State University Libraries
Wright State University Libraries Access Newsletter Fall 2009, Wright State University Libraries
Access Newsletter
A four page newsletter created by Wright State University Libraries that addresses the current affairs of the Libraries.
The Guardian, October 07, 2009, Wright State University Student Body
The Guardian, October 07, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
Wright State University Regional Economic Report, Fall 2009, Thomas L. Traynor
Wright State University Regional Economic Report, Fall 2009, Thomas L. Traynor
Economics Faculty Publications
No abstract provided.
Suggestions For Owl 3, Pascal Hitzler
Suggestions For Owl 3, Pascal Hitzler
Computer Science and Engineering Faculty Publications
With OWL 2 about to be completed, it is the right time to start discussions on possible future modifications of OWL. We present here a number of suggestions in order to discuss them with the OWL user community. They encompass expressive extensions on polynomial OWL 2 profiles, a suggestion for an OWL Rules language, and expressive extensions for OWL DL.
Paraconsistent Reasoning For Owl 2, Yue Ma, Pascal Hitzler
Paraconsistent Reasoning For Owl 2, Yue Ma, Pascal Hitzler
Computer Science and Engineering Faculty Publications
A four-valued description logic has been proposed to reason with description logic based inconsistent knowledge bases. This approach has a distinct advantage that it can be implemented by invoking classical reasoners to keep the same complexity as under the classical semantics. However, this approach has so far only been studied for the basid description logic ALC. In this paper, we further study how to extend the four-valued semantics to the more expressive description logic SROIQ which underlies the forthcoming revision of the Web Ontology Language, OWL 2, and also investigate how it fares when adapated to tractable description logics including …
A Preferential Tableaux Calculus For Circumscriptive Alco, Stephan Grimm, Pascal Hitzler
A Preferential Tableaux Calculus For Circumscriptive Alco, Stephan Grimm, Pascal Hitzler
Computer Science and Engineering Faculty Publications
Nonmonotonic extensions of description logics (DLs) allow for default and local closed-world reasoning and are an acknowledged desired feature for applications, e.g. in the Semantic Web. A recent approach to such an extension is based on McCarthy's circumscription, which rests on the principle of minimising the extension of selected predicates to close off dedicated parts of a domain model. While decidability and complexity results have been established in the literature, no practical algorithmisation for circumscriptive DLs has been proposed so far. In this paper, we present a tableaux calculus that can be used as a decision procedure for concept satisfiability …
Focus: Market Research Databases, Carolyn S. Fang, Susan Hurst
Focus: Market Research Databases, Carolyn S. Fang, Susan Hurst
University Libraries' Staff Publications
The article reviews several market research database web sites, including Passport Markets, located at www.euromonitor.com, from Euromonitor International; STAT-USA/Internet, located at http://home.stat-usa.gov, from the U.S. Dept. of Commerce; and MarketLine, located at www.datamonitor.com, from Datamonitor.
Order And Creativity In Virtual Worlds, Evan W. Osborne, Shu Z. Schiller
Order And Creativity In Virtual Worlds, Evan W. Osborne, Shu Z. Schiller
Economics Faculty Publications
Economies are driven by dynamic creativity, but some sorts of creativity, especially if predatory, can destroy an economy. This tradeoff has been known for centuries to political philosophers who have analyzed physical space, but has not been addressed in virtual space. Like physical economies, virtual economies face the tradeoff of encouraging freedom to experiment, while discouraging experiments that damage society. Physical societies solve this problem both through encouraging competition and giving government the unique power to punish destructive activities. In virtual societies, this tradeoff has yet to be adequately assessed. Guided by the economic modeling of order and creativity, in …
Ibm Altocumulus: A Cross-Cloud Middleware And Platform, E. Michael Maximilien, Ajith Harshana Ranabahu, Roy Engehausen, Laura Anderson
Ibm Altocumulus: A Cross-Cloud Middleware And Platform, E. Michael Maximilien, Ajith Harshana Ranabahu, Roy Engehausen, Laura Anderson
Kno.e.sis Publications
Cloud computing has become the new face of computing and promises to offer virtually unlimited, cheap, readily available, "utility type" computing resources. Many vendors have entered this market with different offerings ranging from infrastructure-as-a-service such as Amazon, to fully functional platform services such as Google App Engine. However, as a result of this heterogeneity, deploying applications to a cloud and managing them needs to be done using vendor specific methods. This "lock in" is seen as a major hurdle in adopting cloud technologies to the enterprise. IBM Altocumulus, the cloud middleware platform from IBM Almaden Services Research, aims to solve …
A Best Practice Model For Cloud Middleware Systems, Ajith Harshana Ranabahu, E. Michael Maximilien
A Best Practice Model For Cloud Middleware Systems, Ajith Harshana Ranabahu, E. Michael Maximilien
Kno.e.sis Publications
Cloud computing is the latest trend in computing where the intention is to facilitate cheap, utility type computing resources in a service-oriented manner. However, the cloud landscape is still maturing and there are heterogeneities between the clouds, ranging from the application development paradigms to their service interfaces,and scaling approaches. These differences hinder the adoption of cloud by major enterprises. We believe that a cloud middleware can solve most of these issues to allow cross-cloud inter-operation. Our proposed system is Altocumulus, a cloud middleware that homogenizes the clouds. In order to provide the best use of the cloud resources and make …
Context And Domain Knowledge Enhanced Entity Spotting In Informal Text, Daniel Gruhl, Meena Nagarajan, Jan Pieper, Christine Robson, Amit P. Sheth
Context And Domain Knowledge Enhanced Entity Spotting In Informal Text, Daniel Gruhl, Meena Nagarajan, Jan Pieper, Christine Robson, Amit P. Sheth
Kno.e.sis Publications
This paper explores the application of restricted relationship graphs (RDF) and statistical NLP techniques to improve named entity annotation in challenging Informal English domains. We validate our approach using on-line forums discussing popular music. Named entity annotation is particularly difficult in this domain because it is characterized by a large number of ambiguous entities, such as the Madonna album “Music” or Lilly Allen’s pop hit “Smile”.
We evaluate improvements in annotation accuracy that can be obtained by restricting the set of possible entities using real-world constraints. We find that constrained domain entity extraction raises the annotation accuracy significantly, making an …
The Guardian, September 30, 2009, Wright State University Student Body
The Guardian, September 30, 2009, Wright State University Student Body
The Guardian Student Newspaper
Twelve page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.