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2005

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Articles 31 - 60 of 81

Full-Text Articles in Science and Technology Studies

Web Service Semantics - Wsdl-S, Rama Akkiraju, Joel Farrell, John A. Miller, Meenakshi Nagarajan, Amit P. Sheth, Kunal Verma Jun 2005

Web Service Semantics - Wsdl-S, Rama Akkiraju, Joel Farrell, John A. Miller, Meenakshi Nagarajan, Amit P. Sheth, Kunal Verma

Kno.e.sis Publications

Web services have primarily been designed for providing inter-operability between business applications. Current technologies assume a large amount of human interaction, for integrating two applications. This is primarily due to the fact that business process integration requires understanding of data and functions of the involved entities. Semantic Web technologies, powered by description logic based languages like OWL[1], aim to add greater meaning to Web content, by annotating the data with ontologies. Ontologies provide a mechanism of providing shared conceptualizations of domains. This allows agents to get an understanding of users’ Web content and greatly reduces human interaction for meaningful Web …

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Ga-Facilitated Classifier Optimization With Varying Similarity Measures, Michael R. Peterson, Travis E. Doom, Michael L. Raymer Jun 2005

Ga-Facilitated Classifier Optimization With Varying Similarity Measures, Michael R. Peterson, Travis E. Doom, Michael L. Raymer

Kno.e.sis Publications

Genetic algorithms are powerful tools for k-nearest neighbors classification. Traditional knn classifiers employ Euclidian distance to assess neighbor similarity, though other measures may also be used. GAs can search for optimal linear weights of features to improve knn performance using both Euclidian distance and cosine similarity. GAs also optimize additive feature offsets in search of an optimal point of reference for assessing angular similarity using the cosine measure. This poster explores weight and offset optimization for knn with varying similarity measures, including Euclidian distance (weights only), cosine similarity, and Pearson correlation. The use of offset optimization …

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Description Logic Programs: A Practical Choice For The Modelling Of Ontologies, Rudi Studer, York Sure, Pascal Hitzler Jun 2005

Description Logic Programs: A Practical Choice For The Modelling Of Ontologies, Rudi Studer, York Sure, Pascal Hitzler

Computer Science and Engineering Faculty Publications

Knowledge representation using ontologies constitutes the heart of semantic technologies. Despite successful standardization efforts by the W3C, however, there are still numerous different ontology representation languages being used, and interoperability between them is in general not given. The problem is aggrevated by the fact that current standards lay foundations only and are well-known to be insufficient for the modelling of finer details. Thus, a plethora of extensions of the basic languages is being proposed, rendering the picture of ontology representation languages to be chaotic, to say the least. While semantic technologies start to become applicable and are being applied in …

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Integrating Semantic Web Services For Mobile Access, Anupriya Ankolekar, Pascal Hitzler, Holger Lewen, Daniel Oberle, Rudi Studer Jun 2005

Integrating Semantic Web Services For Mobile Access, Anupriya Ankolekar, Pascal Hitzler, Holger Lewen, Daniel Oberle, Rudi Studer

Computer Science and Engineering Faculty Publications

We present our work in integrating Semantic Web services for access via mobile devices. We have developed a system, the WebServiceAccessComponent, that transforms a user request for a service on a mobile device, to a Web service request and then selects a matching service from the existing Web services of the Deutsche Telekom, which provide navigational and weather information. In this poster, we present the requirements and design of the WebServiceAccessComponent.

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Semantic Management Of Web Services Using The Core Ontology Of Services, Daniel Oberle, Steffen Lamparter, Andreas Eberhart, Stephan Grimm, Sudhir Agarwal, Rudi Studer, Pascal Hitzler Jun 2005

Semantic Management Of Web Services Using The Core Ontology Of Services, Daniel Oberle, Steffen Lamparter, Andreas Eberhart, Stephan Grimm, Sudhir Agarwal, Rudi Studer, Pascal Hitzler

Kno.e.sis Publications

Different Web Service standards like WSDL, WS-Security, WS-Policy etc., henceforth referred to as WS*, factorize Web Service management tasks into different aspects, such as input/output, workflow, or security. The advantages of WS* are multiple and have already achieved industrial impact. WS* descriptions are exchangeable and developers may use different implementations for the same Web Service description. The disadvantages of WS*, however, are also apparent: even though the different standards are complementary, they must overlap and one may produce models composed of different WS* descriptions, which are inconsistent with each other, but the reasons for the inconsistencies are not easily determined. …

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Digital Democracy And Its Application To The International Arena – From “Deliberation” To “Decision”, Alexander Siedschlag May 2005

Digital Democracy And Its Application To The International Arena – From “Deliberation” To “Decision”, Alexander Siedschlag

Publications

Apart from the discussion about computer-mediated change in community and domestic political affairs, there is a pending debate on general effects of internet- or “net”-based communication on international politics. The reference to international politics rather than international relations is a consciously chosen one – for this paper focuses on net effects on collective decision-making rather than international-society processes. IP/IR driven research on internet-induced political change does not very much link itself to the state of knowledge in internet-and-politics research. Rather, it commonly departs from sub-discipline specific concepts such as neorealist power analysis or post-international turbulence analysis (cf. Allison 2002).

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An Ontological Approach To The Document Access Problem Of Insider Threat, Boanerges Aleman-Meza, Phillip Burns, Matthew Eavenson, Devanand Palanswami, Amit P. Sheth May 2005

An Ontological Approach To The Document Access Problem Of Insider Threat, Boanerges Aleman-Meza, Phillip Burns, Matthew Eavenson, Devanand Palanswami, Amit P. Sheth

Kno.e.sis Publications

Verification of legitimate access of documents, which is one aspect of the umbrella of problems in the Insider Threat category, is a challenging problem. This paper describes the research and prototyping of a system that takes an ontological approach, and is primarily targeted for use by theintelligence community. Our approach utilizes the notion of semantic associations and their discovery among a collection of heterogeneous documents. We highlight our contributions in (graphically) capturing the scope of the investigation assignment of an intelligence analyst by referring to classes and relationships of an ontology; in computing a measure of the relevance …

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Semantic Web Services For N-Glycosylation Process, Satya S. Sahoo, Amit P. Sheth, William S. York, John A. Miller May 2005

Semantic Web Services For N-Glycosylation Process, Satya S. Sahoo, Amit P. Sheth, William S. York, John A. Miller

Kno.e.sis Publications

Glycomics is one of the many research efforts currently underway in the biosciences domain, which is characterized by high throughput data generated at multiple experimental stages. For example, analysis of N-glycosylation encompasses stages from cell-culture to peptide identification and quantification. Research groups across the world use diverse cell cultures, separation and spectroscopic techniques, and data identification, correlation and integration methodologies. Thus, data generated at different phases of the process by multiple groups are both structurally and functionally heterogeneous.

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Web Services To Semantic Web Processes: Investigating Synergy Between Practice And Research, Amit P. Sheth Apr 2005

Web Services To Semantic Web Processes: Investigating Synergy Between Practice And Research, Amit P. Sheth

Kno.e.sis Publications

No abstract provided.

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Bridging The Paradigm Gap With Rules For Owl, Jurgen Angele, Boris Motik, Rudi Studer, Pascal Hitzler Apr 2005

Bridging The Paradigm Gap With Rules For Owl, Jurgen Angele, Boris Motik, Rudi Studer, Pascal Hitzler

Computer Science and Engineering Faculty Publications

Accelerated by the vision of the semantic web, semantic technologies have recently made significant advances. The underlying methods and paradigms are already being transferred to adjacent areas of research in artificial intelligence, knowledge management, and elsewhere. Textbooks explaining the foundations have appeared. Large national and international projects on the topic are under way.

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Wither The Fruited Plain: The Long Expedition And The Description Of The "Great American Desert", Kevin Z. Sweeney Apr 2005

Wither The Fruited Plain: The Long Expedition And The Description Of The "Great American Desert", Kevin Z. Sweeney

Great Plains Quarterly (through 2013)

The view from Pikes Peak is breathtaking. Situated where the Great Plains meets the Rocky Mountains, one feels as if the whole nation is laid out before you. It is the perfect vantage point from which to write an inspirational anthem to the environmental magnificence of the United States. In the summer of 1893, Katherine Lee Bates, a Wellesley College English professor, sat on the summit of Pikes Peak, inspired by the panorama to pen the words to "America the Beautiful." Her poem was set to the tune "Materna" by Samuel Augustus Ward two years later to become one of …

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Web Service Semantics - Wsdl-S, Rama Akkiraju, Joel Farrell, John A. Miller, Meenakshi Nagarajan, Amit P. Sheth, Kunal Verma Apr 2005

Web Service Semantics - Wsdl-S, Rama Akkiraju, Joel Farrell, John A. Miller, Meenakshi Nagarajan, Amit P. Sheth, Kunal Verma

Kno.e.sis Publications

The current WSDL standard operates at the syntactic level and lacks the semantic expressivity needed to represent the requirements and capabilities of Web Services. Semantics can improve software reuse and discovery, significantly facilitate composition of Web services and enable integrating legacy applications as part of business process integration. The Web Service Semantic s technical note defines a mechanism to associate semantic annotations with Web services that are described using Web Service Description Language (WSDL). It is conceptually based on, but a significant refinement in details of, the original WSDL-S proposal [WSDL-S] from the LSDIS laboratory at the University of Georgia. …

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An Information Extraction Approach To Reorganizing And Summarizing Specifications, Krishnaprasad Thirunarayan, Aaron Berkovich, Dan Z. Sokol Mar 2005

An Information Extraction Approach To Reorganizing And Summarizing Specifications, Krishnaprasad Thirunarayan, Aaron Berkovich, Dan Z. Sokol

Kno.e.sis Publications

Materials and Process Specifications are complex semi-structured documents containing numeric data, text, and images. This article describes a coarse-grain extraction technique to automatically reorganize and summarize spec content. Specifically, a strategy for semantic-markup, to capture content within a semantic ontology, relevant to semi-automatic extraction, has been developed and experimented with. The working prototypes were built in the context of Cohesia's existing software infrastructure, and use techniques from Information Extraction, XML technology, etc.

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Divide-And-Approximate: A Novel Constraint Push Strategy For Iceberg Cube Mining, Ke Wang, Yuelong Jiang, Jeffrey Xu Yu, Guozhu Dong, Jiawei Han Mar 2005

Divide-And-Approximate: A Novel Constraint Push Strategy For Iceberg Cube Mining, Ke Wang, Yuelong Jiang, Jeffrey Xu Yu, Guozhu Dong, Jiawei Han

Kno.e.sis Publications

The iceberg cube mining computes all cells v, corresponding to GROUP BY partitions, that satisfy a given constraint on aggregated behaviors of the tuples in a GROUP BY partition. The number of cells often is so large that the result cannot be realistically searched without pushing the constraint into the search. Previous works have pushed antimonotone and monotone constraints. However, many useful constraints are neither antimonotone nor monotone. We consider a general class of aggregate constraints of the form f(v)θσ, where f is an arithmetic function of SQL-like aggregates and θ is one of <, ≤, ≥, > . We propose a …

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Gamers’ Sensations Of Spatial, Social, And Co-Presence While Playing Online Video Games, Cheryl Campanella Bracken, R. L. Lange, James Denny Jan 2005

Gamers’ Sensations Of Spatial, Social, And Co-Presence While Playing Online Video Games, Cheryl Campanella Bracken, R. L. Lange, James Denny

Communication Faculty Publications

There is an increasing number of video gamers who are playing games online. Previous research has demonstrated that off line gamers experience sensations of presence “the illusion of non-mediation” (Lombard & Ditton, 1997). The current study, explores through focus groups, the type of presence online gamers report experiencing. The results demonstrate that online gamers report having sensations that can be classified into all three main presence types: spatial (physical), social, and co-presence.

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Necklaces Used In The Santería Of Cuba, Lourdes S. Domínguez Jan 2005

Necklaces Used In The Santería Of Cuba, Lourdes S. Domínguez

BEADS: Journal of the Society of Bead Researchers

This article examines the necklaces used in the Afro-Cuban Rule of Orisha, more commonly known as Santería. This religion, created by African slaves brought to Cuba starting in the 16th century, combines aspects of Yoruba orisha worship and Spanish Catholicism. It allowed African religious beliefs and practices to survive despite the imposition of Catholic doctrine. One of the outcomes of this amalgamation is the practice of associating individual orishas (deities) with certain Catholic saints. Each orisha is represented by specific necklaces that incorporate particular bead forms, colors, and numbers.

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Elemental Analyses Of North American Glass Trade Beads, R. G.V. Hancock Jan 2005

Elemental Analyses Of North American Glass Trade Beads, R. G.V. Hancock

BEADS: Journal of the Society of Bead Researchers

Although European-made glass trade beads can be sorted into bead varieties and studied in that manner on the basis of physical attributes, much more information can be obtained about them by means of chemical analysis. Such analyses produce chemical fingerprints that may be compared and grouped. Bead varieties that have matching chemistries were made using the same ingredients that probably came from the same sources, suggesting that they were made in a specific manufacturing center and probably during the same approximate time period. Using this information may help to establish with which European nationals specific indigenous people were dealing and …

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Die Perle: A 1920s German Trade Journal, Anita Von Kahler Gumpert, Karlis Karklins Jan 2005

Die Perle: A 1920s German Trade Journal, Anita Von Kahler Gumpert, Karlis Karklins

BEADS: Journal of the Society of Bead Researchers

Though short lived, the German trade journal, Die Perle, contains a wealth of information concerning the European bead and jewelry industry of the 1920s. Short articles provide insight into new machinery and apparatus for producing beads, natural and artificial materials for the production of beads and other ornaments, fashion trends, market reports, and numerous other topics. As well, there are several departments which deal with specific themes such as technical questions and sources of supplies. As the journals are in German, English summaries are provided for a representative sample of the articles to give the reader an idea of their …

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Beads: Journal Of The Society Of Bead Researchers - Volume 17 (Complete) Jan 2005

Beads: Journal Of The Society Of Bead Researchers - Volume 17 (Complete)

BEADS: Journal of the Society of Bead Researchers

No abstract provided.

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Table Of Contents (V. 17, 2005) Jan 2005

Table Of Contents (V. 17, 2005)

BEADS: Journal of the Society of Bead Researchers

No abstract provided.

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A Random Rotation Perturbation Approach To Privacy Preserving Data Classification, Keke Chen, Ling Liu Jan 2005

A Random Rotation Perturbation Approach To Privacy Preserving Data Classification, Keke Chen, Ling Liu

Kno.e.sis Publications

This paper presents a random rotation perturbation approach for privacy preserving data classification. Concretely, we identify the importance of classification-specific information with respect to the loss of information factor, and present a random rotation perturbation framework for privacy preserving data classification. Our approach has two unique characteristics. First, we identify that many classification models utilize the geometric properties of datasets, which can be preserved by geometric rotation. We prove that the three types of classifiers will deliver the same performance over the rotation perturbed dataset as over the original dataset. Second, we propose a multi-column privacy model to address the …

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Meteor-S Wsdi: A Scalable P2p Infrastructure Of Registries For Semantic Publication And Discovery Of Web Services, Kunal Verma, Kaarthik Sivashanmugam, Amit P. Sheth, Abhijit Patil, Swapna Oundhakar, John Miller Jan 2005

Meteor-S Wsdi: A Scalable P2p Infrastructure Of Registries For Semantic Publication And Discovery Of Web Services, Kunal Verma, Kaarthik Sivashanmugam, Amit P. Sheth, Abhijit Patil, Swapna Oundhakar, John Miller

Kno.e.sis Publications

Web services are the new paradigm for distributed computing. They have much to offer towards interoperability of applications and integration of large scale distributed systems. To make Web services accessible to users, service providers use Web service registries to publish them. Current infrastructure of registries requires replication of all Web service publications in all Universal Business Registries. Large growth in number of Web services as well as the growth in the number of registries would make this replication impractical. In addition, the current Web service discovery mechanism is inefficient, as it does not support discovery based on the capabilities of …

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Wsdl-S: Adding Semantics To Wsdl, John Miller, Kunal Verma, Preeda Rajasekaran, Amit P. Sheth, Rohit Aggarwal, Kaarthik Sivashanmugam Jan 2005

Wsdl-S: Adding Semantics To Wsdl, John Miller, Kunal Verma, Preeda Rajasekaran, Amit P. Sheth, Rohit Aggarwal, Kaarthik Sivashanmugam

Kno.e.sis Publications

Web services have primarily been designed for providing inter-operability between business applications. Current technologies assume a large amount of human interaction, for integrating two applications. This is primarily due to the fact that business process integration requires understanding of data and functions of the involved entities. Semantic Web technologies, powered by description logic based languages like OWL[1], aim to add greater meaning to Web content, by annotating the data with ontologies. Ontologies provide a mechanism of providing shared conceptualizations of domains. This allows agents to get an understanding of users’ Web content and greatly reduces human interaction for meaningful Web …

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Level Mapping Characterizations Of Selector-Generated Models For Logic Programs, Sibylle Schwarz, Pascal Hitzler Jan 2005

Level Mapping Characterizations Of Selector-Generated Models For Logic Programs, Sibylle Schwarz, Pascal Hitzler

Computer Science and Engineering Faculty Publications

Assigning semantics to logic programs via selector generated models (Schwarz 2002/2003) extends several semantics, like the stable, the inflationary, and the stable generated semantics, to programs with arbitrary formulae in rule heads and bodies. We study this approach by means of a unifying framework for characterizing different logic programming semantics using level mappings (Hitzler and Wendt 200x, Hitzler 2003), thereby supporting the claim that this framework is very flexible and applicable to very diversely defined semantics.

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Front Matter Jan 2005

Front Matter

BEADS: Journal of the Society of Bead Researchers

No abstract provided.

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Thirteen-Hundred-Year-Old Bead Adornments From Baar, Canton Zug, Switzerland, Katharina Müller Jan 2005

Thirteen-Hundred-Year-Old Bead Adornments From Baar, Canton Zug, Switzerland, Katharina Müller

BEADS: Journal of the Society of Bead Researchers

In the year 2000, an Early Medieval (7th-century) cemetery containing more than 200 burials with rich grave goods was discovered in Baar, Canton Zug, Switzerland. Thanks to the painstaking methods used in the excavation and recording of the 2,985 glass, amber, coral, and amethyst beads found with the female burials, it was possible to reconstruct the necklaces and sewn-on appliqués they were part of. Comparisons with mosaic depictions of famous women—such as the Empress Theodora in San Vitale in Ravenna, Italy—suggest that the people of Baar imitated southern Alpine Byzantine bead jewelry fashion.

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Reviews And End Matter Jan 2005

Reviews And End Matter

BEADS: Journal of the Society of Bead Researchers

Ornaments from the Past: Bead Studies after Beck, Ian C. Glover , Helen Hughes Brock, and Julian Henderson (eds.) (2003), reviewed by Joan Eppen.

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The Semantic Web In One Day, York Sure, Pascal Hitzler, Andreas Eberhart, Rudi Studer Jan 2005

The Semantic Web In One Day, York Sure, Pascal Hitzler, Andreas Eberhart, Rudi Studer

Computer Science and Engineering Faculty Publications

To gain momentum, technologies for building private semantic Webs or parts of the World Wide semantic Web must become a commodity and easy to integrate. To determine just how far semantic Web technologies have come, we wanted to create a snapshot of what you could do by applying and assembling existing semantic Web technologies - in one day.

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Taxaminer: An Experimentation Framework For Automated Taxonomy Bootstrapping, Vipul Kashyap, Cartic Ramakrishnan, Christopher Thomas, Amit P. Sheth Jan 2005

Taxaminer: An Experimentation Framework For Automated Taxonomy Bootstrapping, Vipul Kashyap, Cartic Ramakrishnan, Christopher Thomas, Amit P. Sheth

Kno.e.sis Publications

Construction of domain ontologies on the semantic web is a human and resource intensive process, efforts to reduce which are crucial for the Semantic Web to scale. We present a framework for automated taxonomy construction, that involves: (a) generation of a cluster hierarchy from a document corpus using statistical clustering and NLP techniques; (b) extraction of a topic hierarchy from this cluster hierarchy; and (c) assignment of labels to nodes in the topic hierarchy. Metrics for estimating topic hierarchy quality and parameters of an experimentation framework are identified. MEDLINE was the document corpus and MeSH thesaurus was the gold standard.

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Ranking Complex Relationships On The Semantic Web, Boanerges Aleman-Meza, Christian Halaschek-Wiener, I. Budak Arpinar, Cartic Ramakrishnan, Amit P. Sheth Jan 2005

Ranking Complex Relationships On The Semantic Web, Boanerges Aleman-Meza, Christian Halaschek-Wiener, I. Budak Arpinar, Cartic Ramakrishnan, Amit P. Sheth

Kno.e.sis Publications

Industry and academia are both focusing their attention on information retrieval over semantic metadata extracted from the Web, and it is increasingly possible to analyze such metadata to discover interesting relationships. However, just as document ranking is a critical component in today's search engines, the ranking of complex relationships would be an important component in tomorrow's semantic Web engines. This article presents a flexible ranking approach to identify interesting and relevant relationships in the semantic Web. The authors demonstrate the scheme's effectiveness through an empirical evaluation over a real-world data set.

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