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Displaying 1-26 out of 26 total
Using AI to Access and Experience Cultural Heritage
Found in: IEEE Intelligent Systems
By Lynda Hardman, Lora Aroyo, Jacco van Ossenbruggen, Eero Hyvönen
Issue Date:March 2009
pp. 23-25
Cultural heritage involves rich and highly heterogeneous collections of different people, organizations and collections. Preserved mainly by professionals it is challenging to convey this diversity of perspectives and information to the general public. Pro...
 
That Obscure Object of Desire: Multimedia Metadata on the Web, Part 1
Found in: IEEE Multimedia
By Jacco van Ossenbruggen, Frank Nack, Lynda Hardman
Issue Date:October 2004
pp. 38-48
In Part 1 of this two-part article, the authors discuss the many practical obstacles that prevent the widespread use of the Semantic Web and Multimedia Content Description Interface (MPEG-7).
 
That Obscure Object of Desire: Multimedia Metadata on the Web, Part 2
Found in: IEEE Multimedia
By Frank Nack, Jacco van Ossenbruggen, Lynda Hardman
Issue Date:January 2005
pp. 54-63
The W3C and the ISO have developed technologies that define structures for describing media semantics. Although both approaches are based on XML, a number of syntactic and semantic problems hinder their interoperability. Part 2 discusses these problems and...
 
Multimedia Annotations on the Semantic Web
Found in: IEEE Multimedia
By Giorgos Stamou, Jacco van Ossenbruggen, Jeff Z. Pan, Guus Schreiber
Issue Date:January 2006
pp. 86-90
Multimedia in all forms (images, video, graphics, music, speech) is exploding on the Web. The content needs to be annotated and indexed to enable effective search and retrieval. However, recent standards and best practices for multimedia metadata don?t pro...
 
SampLe: Towards a Framework for System-supported Multimedia Authoring
Found in: Multi-Media Modeling Conference, International
By Kateryna Falkovych, Frank Nack, Jacco van Ossenbruggen, Lloyd Rutledge
Issue Date:January 2004
pp. 362
No summary available.
   
Hacking history via event extraction
Found in: Proceedings of the sixth international conference on Knowledge capture (K-CAP '11)
By Bob Wielinga, Geertje Jacobs, Guus Schreiber, Jacco van Ossenbruggen, Johan Oomen, Lora Aroyo, Lourens van der Meij, Marieke van Erp, Roxane Segers
Issue Date:June 2011
pp. 161-162
Within cultural heritage collections, objects are often grounded in a particular historical setting. This setting can currently not be made explicit, as structured descriptions of events are either missing or not marked up explicitly. This paper reports a ...
     
Understanding cultural heritage experts' information seeking needs
Found in: Proceedings of the 8th ACM/IEEE-CS joint conference on Digital libraries (JCDL '08)
By Alia Amin, Annelies van Nispen, Jacco van Ossenbruggen, Lynda Hardman
Issue Date:June 2008
pp. 597-617
We report on our user study on the information seeking behavior of cultural heritage experts and the sources they use to carry out search tasks. Seventeen experts from nine cultural heritage institutes in the Netherlands were interviewed and asked to answe...
     
Summary abstract for the 2nd ACM international workshop on multimedia analysis for ecological data
Found in: Proceedings of the 21st ACM international conference on Multimedia (MM '13)
By Concetto Spampinato, Jacco van Ossenbruggen, Vasileios Mezaris
Issue Date:October 2013
pp. 1101-1102
The 2nd ACM International Workshop on Multimedia Analysis for Ecological Data (MAED'13) is held as part of ACM Multimedia 2013. MAED'13, following the first workshop of the MAED series (MAED'12) that was held as part of ACM Multimedia 2012, is concerned wi...
     
A case study of trust issues in scientific video collections
Found in: Proceedings of the 2nd ACM international workshop on Multimedia analysis for ecological data (MAED '13)
By Elvira Arslanova, Emma Beauxis-Aussalet, Jacco Van Ossenbruggen, Lynda Hardman
Issue Date:October 2013
pp. 41-46
In-situ video recording of underwater ecosystems is able to provide valuable information for biology research and natural resources management, e.g. changes in species abundance. Searching the videos manually, however, requires costly human effort. Our vid...
     
On the role of user-generated metadata in audio visual collections
Found in: Proceedings of the sixth international conference on Knowledge capture (K-CAP '11)
By Guus Schreiber, Jacco van Ossenbruggen, Lora Aroyo, Michiel Hildebrand, Riste Gligorov
Issue Date:June 2011
pp. 145-152
Recently, various crowdsourcing initiatives showed that targeted efforts of user communities result in massive amounts of tags. For example, the Netherlands Institute for Sound and Vision collected a large number of tags with the video labeling game Waisda...
     
Let's agree to disagree: on the evaluation of vocabulary alignment
Found in: Proceedings of the sixth international conference on Knowledge capture (K-CAP '11)
By Anna Tordai, Bob Wielinga, Guus Schreiber, Jacco van Ossenbruggen
Issue Date:June 2011
pp. 65-72
Gold standard mappings created by experts are at the core of alignment evaluation. At the same time, the process of manual evaluation is rarely discussed. While the practice of having multiple raters evaluate results is accepted, their level of agreement i...
     
Designing a thesaurus-based comparison search interface for linked cultural heritage sources
Found in: Proceeding of the 14th international conference on Intelligent user interfaces (IUI '10)
By Alia Amin, Jacco van Ossenbruggen, Lynda Hardman, Michiel Hildebrand
Issue Date:February 2010
pp. 249-258
Comparison search is an information seeking task where a user examines individual items or sets of items for similarities and differences. While this is a known information need among experts and knowledge workers, appropriate tools are not available. In t...
     
Combining vocabulary alignment techniques
Found in: Proceedings of the fifth international conference on Knowledge capture (K-CAP '09)
By Anna Tordai, Guus Schreiber, Jacco van Ossenbruggen
Issue Date:September 2009
pp. 25-32
Identifying alignments between vocabularies has become a central knowledge engineering activity. A plethora of alignment techniques has been developed over the past years. In this paper we present a case study in which we examine and evaluate the practical...
     
Cruising the semantic web with noadster
Found in: Proceedings of the sixteenth ACM conference on Hypertext and hypermedia (HYPERTEXT '05)
By Jacco van Ossenbruggen, Lloyd Rutledge
Issue Date:September 2005
pp. 290-291
This demonstration presents Noadster, a hypermedia-oriented Semantic Web browser. Noadster applies the tradition Web search-then-browse to the Semantic Web. It also generates document structure over the search returns to further facilitate browsing.
     
Making RDF presentable: integrated global and local semantic Web browsing
Found in: Proceedings of the 14th international conference on World Wide Web (WWW '05)
By Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:May 2005
pp. 199-206
This paper discusses generating document structure from annotated media repositories in a domain-independent manner. This approaches the vision of a universal RDF browser. We start by applying the search-and-browse paradigm established for the WWW to RDF p...
     
Structuring and presenting annotated media repositories
Found in: Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters (WWW Alt. '04)
By Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:May 2004
pp. 466-467
We generate hypermedia presentations from annotated media repositories using simple document structure as an intermediate phase. This poster applies Web style technologies to this process. Results include style specification for accessing semantically anno...
     
Towards a multimedia formatting vocabulary
Found in: Proceedings of the twelfth international conference on World Wide Web (WWW '03)
By Jacco van Ossenbruggen, Joost Geurts, Lloyd Rutledge, Lynda Hardma
Issue Date:May 2003
pp. 384-393
Time-based, media-centric Web presentations can be described declaratively in the XML world through the development of languages such as SMIL. It is difficult, however, to fully integrate them in a complete document transformation processing chain. In orde...
     
Towards second and third generation web-based multimedia
Found in: Proceedings of the tenth international conference on World Wide Web (WWW '01)
By Frank Cornelissen, Jacco van Ossenbruggen, Joost Geurts, Lloyd Rutledge, Lynda Hardman
Issue Date:May 2001
pp. 479-488
This paper describes the challenges faced by designers in creating accessible systems for the elderly. CARSE, an assessment tool, which has been synthesized and empirically validated of the semantic efficacy of interface metaphor, is used to evaluate two s...
     
Generating presentation constraints from rhetorical structure
Found in: Proceedings of the eleventh ACM on Hypertext and hypermedia (HYPERTEXT '00)
By Brian Bailey, Jacco van Ossenbruggen, Joost Geurts, Lloyd Rutledge, Lynda Hardman
Issue Date:May 2000
pp. 19-28
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
Evaluating SMIL: three user case studies
Found in: Proceedings of the seventh ACM international conference on Multimedia (Part 2) (MULTIMEDIA '99)
By Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:October 1999
pp. 171-174
In this paper we propose and implement an efficient scheme for automatically detecting the abrupt shot changes in a video stream compressed in MPEG video format. In the proposed scheme, the type of each macroblock in a B-frame is compared with the type of ...
     
Do you have the time? Composition and linking in time-based hypermedia
Found in: Proceedings of the tenth ACM Conference on Hypertext and hypermedia : returning to our diverse roots: returning to our diverse roots (HYPERTEXT '99)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, K. Sjoerd Mullender, Lloyd Rutledge, Lynda Hardman
Issue Date:February 1999
pp. 189-196
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
Mix'n'match: exchangeable modules of hypermedia style
Found in: Proceedings of the tenth ACM Conference on Hypertext and hypermedia : returning to our diverse roots: returning to our diverse roots (HYPERTEXT '99)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:February 1999
pp. 179-188
This paper discusses a semantic database approach to museum hypermedia systems based upon binary relations, with a restricted set of abstraction relationships. We describe examples of schema, queries and naviagaion aids for a prototype system designed as a...
     
Structural distinctions between hypermedia storage and presentation
Found in: Proceedings of the sixth ACM international conference on Multimedia (MULTIMEDIA '98)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:September 1998
pp. 145-150
This paper addresses the problem of how to automatically generate visual representations of recorded histories of distributed multimedia collaborations. The work reported here focuses mainly on what we consider to be an innovative approach to this problem,...
     
Practical application of existing hypermedia standards and tools
Found in: Proceedings of the third ACM conference on Digital libraries (DL '98)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:June 1998
pp. 191-199
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
A framework for generating adaptable hypermedia documents
Found in: Proceedings of the fifth ACM international conference on Multimedia (MULTIMEDIA '97)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:November 1997
pp. 121-130
This paper addresses the problem of how to automatically generate visual representations of recorded histories of distributed multimedia collaborations. The work reported here focuses mainly on what we consider to be an innovative approach to this problem,...
     
Hypermedia: the link with time
Found in: ACM Computing Surveys (CSUR)
By Dick C. A. Bulterman, Jacco van Ossenbruggen, Lloyd Rutledge, Lynda Hardman
Issue Date:March 1988
pp. 23-es
Static scheduling of a program represented by a directed task graph on a multiprocessor system to minimize the program completion time is a well-known problem in parallel processing. Since finding an optimal schedule is an NP-complete problem in general, r...
     
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