Facilitating Knowledge Management in Pervasive Health Care Systems (2010)
Hu, Bo, Dasmahapatra, Srinandan, Lewis, Paul, Dupplaw, David, Shadbolt, Nigel
Realising the vision of pervasive health care will generate new challenges for knowledge management and data integration. Such challenges are fundamentally different from issues and problems that we...
Hu, Bo, Croitoru, Madalina, Roset, Roman, David, Dupplaw, Miguel, Lurgi, Srinandan, Dasmahapatra, ...
In this paper we present our experience of representing the knowledge behind HealthAgents, a distributed decision support system for brain tumour diagnosis. Our initial motivation came from the...
Hu, Bo, Croitoru, Madalina, Roset, Roman, David, Dupplaw, Miguel, Lurgi, Srinandan, Dasmahapatra, ...
In this paper we present our experience of representing the knowledge behind HealthAgents, a distributed decision support system for brain tumour diagnosis. Our initial motivation came from the...
IMAGE DIVERSITY ANALYSIS: CONTEXT, OPINION AND BIAS (2009)
Zonetone, Pamela, Boato, Giulia, De Rosa, Alessia, Barni, Mauro, Piva, Alessandro, ...
The diffusion of new Internet and web technologies has increased the distribution of different digital content, such as text, sounds, images and videos. In this paper we focus on images and their...
IAM@ImageCLEFPhotoAnnotation 2009: Naïve application of a linear-algebraic semantic space (2009)
This paper describes Southampton's submissions to the 2009 ImageCLEF photo annotation task. For the task we used an annotation system based on the idea of constructing semantic spaces, which was...
IAM@ImageCLEFphoto 2009: Experiments on Maximising Diversity using Image Features (2009)
Hare, Jonathan, Dupplaw, David, Lewis, Paul
This paper describes the diversity enabled retrieval system constructed at Southampton for the ImageCLEFphoto 2009 task. The retrieval system used Terrier as the underlying textual indexing and...
Living with the Semantic Gap: Experiences and Remedies in the Context of Medical Imaging (2009)
Yannis Kalfoglou, An Dasmahapatra, Bo Hu, Paul Lewis, Nigel Shadbolt
Abstract—Semantic annotation of images is a key concern for the newly emerged applications of semantic multimedia. Machine processable descriptions of images make it possible to automate a variety...
An Dasmahapatra, Bo Hu, Paul Lewis, Nigel Shadbolt
Abstract. This paper briefly describes the work we have undertaken in the MIAKT project to provide a generic architecture and user interface for distributed multimedia knowledge management with the...
Semantically Exposing Existing Knowledge Repositories: ACase Study in Cultural Heritage (2009)
Denis Pitzalis, Patrick Sinclair, Christian Lahanier, Matthew Addis, Richard Lowe, Shahbaz Hafeez, ...
Abstract — In this paper we describe the practical implications of semantically exposing a cultural heritage multimedia collection system (EROS) through a Search and Retrieve Web Service (SRW)....
Multimedia Distributed Knowledge Management in MIAKT (2009)
An Dasmahapatra, Bo Hu, Paul Lewis, Nigel Shadbolt
Abstract. Digital media facilitates tight integration of multi-modal information and networking allows this richly textured knowledge to be shared. We present the system we have developed in the...
Incorporating Probabilistic Knowledge in HealthAgents: a Conceptual Graph Approach (2009)
Madalina Croitoru, An Dasmahapatra, Paul Lewis
Abstract HealthAgents is a multi-agent, distributed decision support system for brain tumor diagnosis. Knowledge needs to be shared amongst different agents in order to assist clinicians when making...
Decentralised Clinical Guidelines Modelling with Lightweight Coordination Calculus (2009)
Bo Hu, An Dasmahapatra, Dave Robertson, Paul Lewis
Background: Clinical protocols and guidelines have been considered as a major means to ensure that cost-effective services are provided at the point of care. Recently, the computerisation of clinical...
On the interdisciplinary foundations of diversity (2009)
Maltese, Vincenzo, Giunchiglia, Fausto, Denecke, Kerstin, Lewis, Paul, Wallner, Cornelia, Baldry, Anthony, ...
Designing new-generation diversity-aware tools that face up to the emerging complexity in knowledge is one of the biggest research challenges in recent years. In this paper, we provide key notions...
Query by Low-Quality Image (2009)
The motivation for research on low-quality images comes from a requirement by some museums to respond to queries for pictorial information, submitted in the form of fax messages or other low-quality...
Christian Lahanier, Geneviève Aitken, Jiro Shindo, Ruven Pillay, Kirk Martinez, Paul Lewis
Image SystemS in Europe) was launched to build a multilingual database to manage museum laboratory documentation relating to painting materials (1), (2) et (3).
Indexing Ontologies with Semantics-enhanced Keywords (2009)
Hu, Bo, Croitoru, Madalina, Dasmahapatra, Srinandan, Lewis, Paul, Shadbolt, Nigel
Ontologies, as a knowledge representation paradigm, rely on semantics for performing logical inference. However, in the context of ontology query and reuse, the semantics are hard to be manipulated....
Hu, Bo, Dasmahapatra, Srinandan, Lewis, Paul
In the context of the Semantic Web, many ontology-related operations, e.g., ontology ranking, segmentation, alignment, articulation, reuse, evaluation, etc., can be boiled down to one fundamental...
Lewis, Paul, Wilson, Michael, Lock, Gary D, Owen, J M
This article investigates the effect of the radial location of the inlet nozzles on the performance of a direct-transfer preswirl system in a rotor-stator wheel-space. A commercial code is used to...
This paper assesses the theoretical justifications available for policies of flexible labour markets (FLMs) in reducing the level of unemployment in developed economies. It empirically assesses the...
Multimedia Distributed Knowledge Management in MIAKT (2008)
An Dasmahapatra, Bo Hu, Paul Lewis, Nigel Shadbolt
Abstract. Digital media facilitates tight integration of multi-modal information and networking allows this richly textured knowledge to be shared. We present the system we have developed in the...
Conceptual Graphs based information retrieval in (2008)
Madalina Croitoru, Bo Hu, An Dasmahapatra, Paul Lewis, Alex Gibb, Margarida Julia-sape, ...
4 Instituto de Aplicaciones de las TIC Avanzadas, Spain;
Electronics and Computer Science, University of Southampton, (2008)
Simon Goodall, Paul Lewis, Kirk Martinez, So Bj
Abstract. The development and use of content-based retrieval techniques for 3-D models is a relatively new departure in multimedia retrieval. We have extended our existing multimedia museum...
Challenges in Supporting Faceted Semantic Browsing of Multimedia Collections (2008)
Daniel Alex, Er Smith, Alisdair Owens, Mc Schraefel, Patrick Sinclair, Max L. Wilson, ...
Abstract. We discuss three approaches, 3store, D2R and MySQL, we have explored to support efficient querying of multimedia data sources via mSpace, a rich UI. Our results underline key research...
1 Centre de Recherche et Restauration des Musèes de France, (2008)
Denis Pitzalis, Patrick Sinclair, Christian Lahanier, Matthew Addis, Richard Lowe, Shahbaz Hafeez, ...
Abstract. In this paper we describe the practical implications of semantically exposing a collection management system (EROS [1][2][3][4]) for large cultural heritage multimedia repositories. This is...
Hare, Jonathan, Samangooei, Sina, Lewis, Paul, Nixon, Mark
Semantic spaces encode similarity relationships between objects as a function of position in a mathematical space. This paper discusses three different formulations for building semantic spaces which...
Emerging Consensus in-situ (2008)
Bo Hu, An Dasmahapatra, Paul Lewis
Abstract Traditional ontology mapping techniques are not strictly applicable in a dynamic and distributed environment (e.g. P2P and pervasive computing) in which on-the-fly alignments are sought...
Nigel Shadbolt, Harith Alani, Steve Harris, Nick Gibbins, Yannis Kalfoglou, Bo Hu, ...
www.aktors.org
Expressive security policy rules using Layered Conceptual Graphs (2008)
Madalina Croitoru, Liang Xiao, Paul Lewis
A method must be provided to support the analysis of security policy rules interdependencies in a (possibly distributed) environment. We propose a Conceptual Graphs based language that will allow us...
the Food and Agriculture Organisation of the United Nations (ref. no. A47/2000). (2008)
of gonad staging systems and other methods used in the study of the reproductive
Living with the Semantic Gap: Experiences and Remedies in the Context of Medical Imaging (2008)
Yannis Kalfoglou, An Dasmahapatra, Bo Hu, Paul Lewis, Nigel Shadbolt
Abstract—Semantic annotation of images is a key concern for the newly emerged applications of semantic multimedia. Machine processable descriptions of images make it possible to automate a variety...
A Security Model and its Application to a Distributed Decision Support System for Healthcare (2008)
Xiao, Liang, Vicente, Javier, Sáez, Carlos, Peet, Andrew, Gibb, Alex, Lewis, Paul, ...
A distributed decision support system involving multiple clinical centres is crucial to the diagnosis of rare diseases. Although sharing of valid diagnosed cases can facilitate later decision making,...
Xiao, Liang, Lewis, Paul, Gibb, Alex
In this paper, we describe the unique security issues involved in healthcare domains. These have been addressed to the needs of the HealthAgents project. In the proposed approach, several levels of...
Secure Interaction Models for the HealthAgents System (2008)
Xiao, Liang, Lewis, Paul, Dasmahapatra, Srinandan
Distributed decision support systems designed for healthcare use can benefit from services and information available across a decentralised environment. The sophisticated nature of collaboration...
Expressive Security Policy Rules using Layered Conceptual Graphs (2008)
Croitoru, Madalina, Xiao, Liang, Dupplaw , David, Lewis, Paul
On the Implementation of HealthAgents: Agent Based Brain Tumour Diagnosis (2008)
Lluch-Ariet, M, Estanyol, F, Mier, M, Delgado , C, Gonzalez-Velez, H, Dalmas, T, ...
Effect of Radial Location of Nozzles on Performance of Pre-Swirl Systems (2008)
Lewis, Paul, Wilson, Michael, Lock, Gary, Owen, J M
This paper investigates the effect of the radial location of the inlet nozzles on the performance of a direct-transfer pre-swirl system in a rotor-stator wheel-space. A commercial code is used to...
Decentralised Clinical Guidelines Modelling with Lightweight Coordination Calculus (2007)
Hu, Bo, Dasmahapatra, Srinandan, Robertson, Dave, Lewis, Paul
Background: Clinical protocols and guidelines have been considered as a major means to ensure that cost-effective services are provided at the point of care. Recently, the computerisation of clinical...
Ever since Vannevar Bush's early thoughts on the concept of Hypermedia (2007)
Using recent advances in scale-space decomposition techniques, it is possible to transform images into trees in scale space, which represent the topology of regions within the image. We propose that...
Highfield, Southampton, United Kingdom. (2007)
A point data retrieval algorithm for the HG-tree is introduced which improves the number of nodes accessed. The HG-tree is a multidimensional indexing tree designed for point data and it is a simple...
Ontotriple: A semantic-oriented symbolic learning algorithm for extracting relation triples (2007)
Sanghee Kim, Paul Lewis, Kirk Martinez
Abstract. A relation extraction system recognises pre-defined relation types between two identified entities from natural language documents. It is important for a task of automatically locating...
New Approaches to Multimedia Navigation (2007)
Mark R. Dobie, Hugh C. Davis, Wendy Hall, Paul Lewis
In this paper we describe the concept of a multimedia thesaurus and illustrate how itmay be used to enhance the navigational capabilities of an open multimedia architecture, allowing links to be...
Content and Concept-Based Retrieval and (2007)
Navigation Tools In, Fabrizio Giorgini, Paul Lewis, Kirk Martinez, Matthew Addis
The Sculpteur project provides an environment for intelligent retrieval and indexing of multimedia objects related to cultural collections stored in a set of networked databases. The paper gives an...
Salient Region Filtering For Background Subtraction (2007)
Rodhetbhai, Wasara, Lewis, Paul
The use of salient regions is an increasingly popular approach to image retrieval. For situations where object retrieval is required and where the foreground and background can be assumed to have...
Reflections on a Medical Ontology (2007)
Hu, Bo, Dasmahapatra, Srinandan, Dupplaw, David, Lewis, Paul, Shadbolt, Nigel
A Conceptual Graph Description of Medical data for Brain Tumour Classification (2007)
Croitoru, Madalina, Hu, Bo, Dasmahapatra, Srinandan, Lewis, Paul, Dupplaw, David, Xiao, Liang
HealthAgents proposes an agent-based distributed decision support system for brain tumour diagnosis and prognosis which employs Magnetic Resonance Imaging and Magnetic Resonance Spectroscopy...
Bridging the Semantic Gap in Visual Information Retrieval: End of Project Report (2007)
Sandom, Christine, Hare, Jonathan, Enser, Peter, Lewis, Paul
Reflections on Challenges in Supporting Faceted Semantic Browsing of Multimedia Collections (2007)
Smith, Daniel Alexander, Owens, Alisdair, Schraefel, Mc, Sinclair, Patrick, André, Paul, Wilson, Max, ...
This paper describes our experience developing a semantically-rich exploratory interface that integrates a suite of Newsfilm media sources and associated information. Indeed, the affordances for real...
Xiao, Liang, Peet, Andrew, Lewis, Paul, Dashmapatra, Srinandan, Sáez, Carlos, Croitoru, Madalina, ...
We present in this paper an adaptive security model for Multi-agent systems. A security meta-model has been developed in which the traditional role concept has been extended. The new concept...
HealthAgents: Distributed Multi-Agent Brain Tumor Diagnosis and Prognosis (2007)
Lewis, Paul, Dasmahapatra, Srinandan, Dupplaw, David, Gonzalez-Velez, H, Mier, M, Julia-Sape, M, ...
We present an agent-based distributed decision support system for the diagnosis and prognosis of brain tumors developed by the HEALTHAGENTS project. HEALTHAGENTS is a European Union funded research...
Conceptual Graphs Based Information Retrieval in HealthAgents (2007)
Croitoru, Madalina, Hu, Bo, Dasmahapatra, Srinandan, Lewis, Paul, Dupplaw, David, Gibb, A, ...
This paper focuses on the problem of representing, in a meaningful way, the knowledge involved in the HealthAgents project. Our work is motivated by the complexity of representing Electronic...
Arus, C, Celda, B, Dasmahapatra, Srinandan, Dupplaw, David, Gonzalez-Velez, H, Van Huffel, S, ...
This paper introduces HealthAgents, an EC-funded research project to improve the classification of brain tumours through multi-agent decision support over a distributed network of local databases or...
Agent-Based Distributed Decision Support System for Brain Tumour Diagnosis and Prognosis (2006)
Gonzalez-Velz, H, Mier, M, Arus, C, Celda, B, Van Huffel, S, Lewis, Paul, ...
Brain tumours remain an important cause of morbidity and mortality in Europe. Diagnosis using Magnetic Resonance Imaging (MRI) is non-invasive, but only achieves 60-90% accuracy depending on the...
Karam, Maria, Hare, Jonathon, Lewis, Paul, Schraefel, M.c.
We present Ambient Gestures, a novel gesture-based system designed to support ubiquitous ‘in the environment’ interactions with everyday computing technology. Hand gestures and audio feedback...
K.: The Use of CRM Core in Multimedia Annotation (2006)
Patrick Sinclair, Matthew Addis, Freddy Choi, Martin Doerr, Paul Lewis, Kirk Martinez
Abstract. Cultural heritage institutions are fantastic resources of multimedia content. Rich metadata structures, able to capture the diversity of the media, the subject matter and the context around...
N.Shadbolt. Semantic Metrics (2006)
Bo Hu, Yannis Kalfoglou, Harith Alani, Paul Lewis, Nigel Shadbolt
Abstract In the context of the Semantic Web, many ontology-related operations, e.g. ontology ranking, segmentation, alignment, articulation, reuse, evaluation, can reduced to one fundamental...
iGesture: A Platform for Investigating Multimodal, Multimedia Gesture-based Interactions (2005)
Hare, Jonathon, Karam, Maria, Lewis, Paul, Schraefel, M.c.
This paper introduces the iGesture platform for investigating multimodal gesture based interactions in multimedia contexts. iGesture is a low-cost, extensible system that uses visual recognition of...
Surveying the Reality of Semantic Image Retrieval (2005)
Enser, Peter G.B., Sandom, Christine J., Lewis, Paul
An ongoing project is described which seeks to add to our understanding about the real challenge of semantic image retrieval. Consideration is given to the plurality of types of still image, a...
Automatic Annotation of Images from the Practitioner Perspective (2005)
Enser, Peter G.B., Sandom, Christine J., Lewis, Paul
This paper describes an ongoing project which seeks to contribute to a wider understanding of the realities of bridging the semantic gap in visual image retrieval. A comprehensive survey of the means...
Managing Patient Record Instances Using DL-Enabled Formal Concept Analysis (2004)
Bo Hu, An Dasmahapatra, Paul Lewis, Nigel Shadbolt
Abstract In this paper we describe a general logic-enabled Formal Concept Analysis (FCA) approach to manage patient record instances. In particular, the conceptual model of the domain is represented...
MIAKT: Combining Grid and Web Services for Collaborative Medical Decision Making (2004)
Nigel Shadbolt, Paul Lewis, An Dasmahapatra, Bo Hu, Hugh Lewis
Providing semantic web technologies in a medical domain has its obvious advantages. Having distributed services using shared domain vocabularies provides a great impetus for the integration of...
MIAKT: Combining Grid and Web Services for Collaborative Medical Decision Making (2004)
Nigel Shadbolt, Paul Lewis, An Dasmahapatra, Bo Hu, Hugh Lewis
Providing semantic web technologies in a medical domain has its obvious advantages. Having distributed services using shared domain vocabularies provides a great impetus for the integration of...
Generating Adaptive Hypertext Content from (2003)
David Millard, Harith Alani, Sanghee Kim, Mark Weal, Paul Lewis, Wendy Hall, ...
Accessing and extracting knowledge from online documents is crucial for the realisation of the Semantic Web and the provision of advanced knowledge services. The Artequakt project is an ongoing...
Sandye Gloria-Palmermo: The Evolution of Austrian Economics: From Menger to Lachmann (2002)
editorial
Automating the linking of content and concept (2000)
Robert Tansley, Paul Lewis, Mark Weal
In previous work we have described a multimedia system, MAVIS 2, supporting content and concept based retrieval and navigation. A central component of the system is a multimedia thesaurus in which...
Automating the linking of content and concept (2000)
Robert Tansley, Colin Bird, Wendy Hall, Paul Lewis, Mark Weal
Spatial Colour Matching for Content Based Retrieval and Navigation (1999)
Paul Lewis, Mark Dobie, Southampton Hampshire England
In this paper we describe two approaches for providing a versatile mechanism for retrieval and navigation using spatially related feature selections. As an example, we build colour histograms from...
A Flexible Architecture for Content and Concept Based Multimedia Information Exploration (1999)
Mark Dobie, Robert Tansley, Dan Joyce, Mark Weal, Paul Lewis, Wendy Hall
Traditional hypermedia systems can be extended to allow content based matching to give more flexibility for user navigation, but this approach is still limited by the capabilities of multimedia...
Spatial Colour Matching for Content Based Retrieval and Navigation (1999)
In this paper we describe two approaches for providing a versatile mechanism for retrieval and navigation using spatially related feature selections. As an example, we build colour histograms from...
A Flexible Architecture for Content and Concept Based Multimedia Information Exploration (1999)
Mark Dobie, Robert Tansley, Dan Joyce, Mark Weal, Paul Lewis, Wendy Hall
Traditional hypermedia systems can be extended to allow content based matching to give more flexibility for user navigation, but this approach is still limited by the capabilities of multimedia...
Induction of Estrus in Anestrous Suckled Beef Cows (1998)
Fike, Karol, Day, Michael, Inskeep, Keith, Kinder, James, Lewis, Paul, Short, Robert, ...
Suckled anestrous beef cows (n=362) received either: 1) an intravaginal implant containing progesterone for 7 days plus a 1 mg injection of estradiol benzoate 24 to 30 hours after implant removal; 2)...
Fast knearest neighbour search for R-tree family (1997)
Joseph Kuan, Paul Lewis, So Nh
A simplified k nearest neighbour (knn) search for the R-tree [6] family is proposed in this paper. This method is modified from the technique developed by Roussopoulos et al. [10]. The main approach...
Rape was Weapon of Serbs, U.N. Says (1993)
An article from the New York Times detailing the U.N.'s discovery of Serbian uses of rape. It also references Bassiouni's rape database.
Reproduction of original: 1997.
Solving the "Lachmann Problem"
This article examines the question of whether social institutions should be treated as possessing the "sui generis" causal power to influence people's actions. It does so by means of a case study of...
(How) do flexible labour markets really work? The role of profitability in influencing unemployment
This paper assesses the theoretical justifications available for policies of flexible labour markets (FLMs) in reducing the level of unemployment in developed economies. It empirically assesses the...