All Outputs (517)

Robust query-specific pseudo feedback document selection for query expansion. (2008)
Conference Proceeding
HUANG, Q., SONG, D. and RUGER, S. 2008. Robust query-specific pseudo feedback document selection for query expansion. In Macdonald, C., Ounis, I., Plachouras, V., Ruthven I. and White, R.W. (eds.) Advances in information retrieval: proceedings of the 30th European conference on information retrieval (IR) research (ECIR 2008), 30 March - 3 April 2008, Glasgow, UK. Lecture notes in computer science, 4956. Berlin: Springer [online], pages 547-554. Available from: https://doi.org/10.1007/978-3-540-78646-7_54

In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. However, very little attention has been paid to an intuitive but criti... Read More about Robust query-specific pseudo feedback document selection for query expansion..

Comparing dissimilarity measures for content-based image retrieval. (2008)
Conference Proceeding
LIU, H., SONG, D., RUGER, S., HU, R. and UREN, V. 2008. Comparing dissimilarity measures for content-based image retrieval. In Li, H., Liu, T., Ma, W.-Y., Sakai, T., Wong, K.-F. and Zhou, G. (eds.) Information retrieval technology: revised selected papers from the proceedings of the 4th Asia information retrieval symposium (AIRS 2008), 15-18 January 2008, Harbin, China. Lecture notes in computer science, 4993. Berlin: Springer [online], pages 44-50. Available from: https://doi.org/10.1007/978-3-540-68636-1_5

Dissimilarity measurement plays a crucial role in content-based image retrieval, where data objects and queries are represented as vectors in high-dimensional content feature spaces. Given the large number of dissimilarity measures that exist in many... Read More about Comparing dissimilarity measures for content-based image retrieval..

A novel metadata based meta-search engine. (2008)
Conference Proceeding
ZHU, J., SONG, D., EISENSTADT, M. and BARLADEANU, C. 2008. A novel metadata based meta-search engine. In Cordeiro, J., Shishkov, B., Ranchordas, A. and Helfert, M. (eds.) Proceedings of the 3rd International conference on software and data technologies (ICSOFT 2008), 5-8 July 2008, Porto, Portugal. Setúbal: Science and Technology Publications [online], volume 3, pages 312-315. Available from: https://doi.org/10.5220/0001896403120315

We present a novel meta-search engine called DYNIQX for metadata based cross search in order to study the effect of metadata in collection fusion. DYNIQX exploits the availability of metadata in academic search services such as PubMed and Google Scho... Read More about A novel metadata based meta-search engine..

Automatically acquiring structured case representations: the SMART way. (2008)
Conference Proceeding
ASIIMWE, S., CRAW, S., WIRATUNGA, N. and TAYLOR, B. 2008. Automatically acquiring structured case representations: the SMART way. In Ellis, R., Allen, T. and Petridis, M. (eds.) Applications and innovations in intelligent systems XV: application proceedings of the 27th Annual international conference of the British Computer Society's Specialist Group on Artificial Intelligence (SGAI) (AI-2007): innovative techniques and applications of artificial intelligence, 10-12 December 2007, Cambridge, UK. London: Springer [online], pages 45-58. Available from: https://doi.org/10.1007/978-1-84800-086-5_4

Acquiring case representations from textual sources remains an interesting challenge for CBR research. Approaches based on methods in information retrieval require large amounts of data and typically result in knowledge-poor representations. The cost... Read More about Automatically acquiring structured case representations: the SMART way..

Towards requirements engineering practice for professional end user developers: a case study. (2008)
Conference Proceeding
FAILY, S. 2008. Towards requirements engineering practice for professional end user developers: a case study. In Proceedings of the 2008 Requirements engineering education and training conference (REET 2008), 8 September 2008, Barcelona, Spain. Washington, D.C.: IEEE Computer Society [online], pages 38-44. Available from: https://doi.org/10.1109/REET.2008.8

End-user development has received a lot of attention in the research community. Despite the importance of requirements engineering in the software development life-cycle, comparatively little exists in the way of prescriptive advice or case studies o... Read More about Towards requirements engineering practice for professional end user developers: a case study..

Proceedings of the 2008 Oxford University Computing Laboratory student conference. (2008)
Conference Proceeding
FAILY, S. and ŽIVNÝ, S. (eds.) Proceedings of the 2008 Oxford University Computing Laboratory student conference, October 2008, Oxford, UK. Oxford: Oxford University Computing Laboratory [online]. Available from: https://www.cs.ox.ac.uk/files/1328/RR-08-10.pdf

This conference serves two purposes. First, the event is a useful pedagogical exercise for all participants, from the conference committee and referees, to the presenters and the audience. For some presenters, the conference may be the first time the... Read More about Proceedings of the 2008 Oxford University Computing Laboratory student conference..

Genre analysis of structured e-mails for corpus profiling. (2008)
Conference Proceeding
CLARK, M., RUTHVEN, I. and O'BRIAN HOLT, P. 2008. Genre analysis of structured e-mails for corpus profiling. In De Roeck, A., Song, D. and Kruschwitz, U. (eds.) Proceedings of the Workshop on corpus profiling for information retrieval and natural language profiling, 18 October 2008, London, UK. London: BCS [online]. Available from: https://ewic.bcs.org/content/ConWebDoc/26114

This paper reports on our approach to the analysis of genre recognition using eyetracking. We focused on a collection of different types of email which could represent different datasets, such as, mailing lists for calls for papers, newsletters, etc.... Read More about Genre analysis of structured e-mails for corpus profiling..

Dissimilarity measures for content-based image retrieval. (2008)
Conference Proceeding
HU, R., RUGER, S., SONG, D., LIU, H. and HUANG, Z. 2008. Dissimilarity measures for content-based image retrieval. In Proceedings of the 2008 IEEE international conference on multimedia and expo (ICME 2008), 23-26 June 2008, Hannover, Germany. New York: IEEE [online], article number 4607697, pages 1365-1368. Available from: https://doi.org/10.1109/ICME.2008.4607697

Dissimilarity measurement plays a crucial role in content-based image retrieval. In this paper, 16 core dissimilarity measures are introduced and evaluated. We carry out a systematic performance comparison on three image collections, Corel, Getty and... Read More about Dissimilarity measures for content-based image retrieval..

A portable wireless-based architecture for solving minimum digital divide problems. (2008)
Conference Proceeding
FENU, G. and PIRAS, L. 2008. A portable wireless-based architecture for solving minimum digital divide problems. In Reznik, L. and Popescu, M. (eds.) Proceedings of 4th International conference on wireless and mobile communications 2008 (ICWMC 2008), 27 July - 1 August 2008, Athens, Greece. Piscataway: IEEE [online], pages 130-136. Available from: https://doi.org/10.1109/icwmc.2008.21

In today's society digital services have become the key to the success of anyone. Hence, for being competitive it is important that these services are available, employ the latest technology and are low cost. Unfortunately, it often happens that thes... Read More about A portable wireless-based architecture for solving minimum digital divide problems..

The asymptotic behavior of a limited dependencies language model. (2008)
Conference Proceeding
HOENKAMP, E., BRUZA, P., HUANG, Q. and SONG, D. 2008. The asymptotic behavior of a limited dependencies language model. In Hoenkamp, E., De Cock, M. and Hoste, V. (eds.) Proceedings of 8th Dutch-Belgian information retrieval workshop 2008 (DIR 2008), 14-15 April 2008, Maastricht, Netherlands. Enschede: Neslia Paniculata, pages 59-64.

Intuitively, any ‘bag of words’ approach in IR should benefit from taking term dependencies into account. Unfortunately, for years the results of exploiting such dependencies have been mixed or inconclusive. To improve the situation, this paper shows... Read More about The asymptotic behavior of a limited dependencies language model..

The Open University at TREC 2007 Enterprise Track. (2008)
Conference Proceeding
ZHU, J., SONG, D. and RUGER, S. 2007. The Open University at TREC 2007 Enterprise Track. In Proceedings of the 16th Text retrieval conference (TREC 2007), 5-9 November 2007, Gaithersburg, USA. National Institute of Standards and Technology (NIST) special publications, SP 500-274. Gaithersburg: NIST [online], paper number 49. Available from: https://trec.nist.gov/pubs/trec16/papers/openu.ent.final.pdf

The Multimedia and Information Systems group at the Knowledge Media Institute of the Open University participated in the Expert Search and Document Search tasks of the Enterprise Track in TREC 2007. In both the document and expert search tasks, we ha... Read More about The Open University at TREC 2007 Enterprise Track..

Escaping local optima: constraint weights vs value penalties. (2007)
Conference Proceeding
BASHARU, M., ARANA, I. and AHRIZ, H. 2008. Escaping local optima: constraint weights vs. value penalties. In Bramer, M., Coenen, F. and Petridis, M. (eds.) Research and development in intelligent systems XXIV: technical proceedings of the 27th Annual international conference of the British Computer Society's Specialist Group on Artificial Intelligence (SGAI) (AI-2007): innovative techniques and applications of artificial intelligence, 10-12 December 2007, Cambridge, UK. London: Springer [online], pages 51-64. Available from: https://doi.org/10.1007/978-1-84800-094-0_5

Constraint Satisfaction Problems can be solved using either iterative improvement or constructive search approaches. Iterative improvement techniques converge quicker than the constructive search techniques on large problems, but they have a propensi... Read More about Escaping local optima: constraint weights vs value penalties..

DisBO-wd: a distributed constraint satisfaction algorithm for coarse-grained distributed problems. (2007)
Conference Proceeding
BASHARU, M., ARANA, I. and AHRIZ, H. 2008. DisBO-wd: a distributed constraint satisfaction algorithm for coarse-grained distributed problems. In Bramer, M., Coenen, F. and Petridis, M. (eds.) Research and development in intelligent systems XXIV: technical proceedings of the 27th Annual international conference of the British Computer Society's Specialist Group on Artificial Intelligence (SGAI) (AI-2007): innovative techniques and applications of artificial intelligence, 10-12 December 2007, Cambridge, UK. London: Springer [online], pages 23-36. Available from: https://doi.org/10.1007/978-1-84800-094-0_3

We present a distributed iterative improvement algorithm for solving coarse-grained distributed constraint satisfaction problems (DisCSPs). Our algorithm is inspired by the Distributed Breakout for coarse-grained DisCSPs where we introduce a constrai... Read More about DisBO-wd: a distributed constraint satisfaction algorithm for coarse-grained distributed problems..

Solving coarse-grained DisCSPs with Multi-DisPeL and DisBO-wd. (2007)
Conference Proceeding
BASHARU, M., ARANA, I. and AHRIZ, A. 2007. Solving coarse-grained DisCSPs with Multi-DisPeL and DisBO-wd. In Lin, T.Y., Bradshaw, J.M., Klusch, M., Zhang, C., Broder, A. and Ho, H. (eds.) Proceedings of the 2007 IEEE/WIC/ACM international conference on intelligent agent technology (IAT 2007), 2-5 November 2007, Silicon Valley, USA. Los Alamitos: IEEE Computer Society [online], article number 4407307, pages 335-341. Available from: https://doi.org/10.1109/IAT.2007.68

We present Multi-DisPel, a penalty-based local search distributed algorithm which is able to solve coarse-grained Distributed Constraint Satisfaction Problems (DisCSPs) efficiently. Multi-DisPeL uses penalties on values in order to escape local optim... Read More about Solving coarse-grained DisCSPs with Multi-DisPeL and DisBO-wd..

Learning and optimization of an aspect hidden markov model for query language model generation. (2007)
Conference Proceeding
HUANG, Q., SONG, D., RUGER, S. and BRUZA, P. 2007. Learning and optimization of an aspect hidden markov model for query language model generation. In Dominich, S. and Kiss, F. (eds.) Studies in theory of information retrieval: proceedings of the 1st Association of Computing Machinery Special Interest Group on Information Retrieval (ACM SIGIR) international conference on the theory of information retrieval (ICTIR'07), 18-20 October 2007, Budapest, Hungary. Budapest: Foundation for Information Society (INFOTA), pages 157-164.

The Relevance Model (RM) incorporates pseudo relevance feedback to derive query language model and has shown a good performance. Generally, it is based on uni-gram models of individual feedback documents from which query terms are sampled independent... Read More about Learning and optimization of an aspect hidden markov model for query language model generation..

Classifying XML documents by using genre features. (2007)
Conference Proceeding
CLARK, M. and WATT, S. 2007. Classifying XML documents by using genre features. In Tjoa, A.M. and Wagner, R.R. (eds.) Proceedings of the 18th International workshop on database and expert systems applications (DEXA 2007), 3-7 September 2007, Regensburg, Germany. Los Alamitos: IEEE Computer Society [online], article number 4312894, pages 242-248. Available from: https://doi.org/10.1109/DEXA.2007.120

The categorization of documents is traditionally topic-based. This paper presents a complementary analysis of research and experiments on genre to show that encouraging results can be obtained by using genre structure (form) features. We conducted an... Read More about Classifying XML documents by using genre features..

Structured text retrieval by means of affordances and genre. (2007)
Conference Proceeding
CLARK, M. 2007. Structured text retrieval by means of affordances and genre. In MacFarlane, A., Azzopardi, L. and Ounis, I. (eds.) Proceedings of the 1st British Computer Society Information Retrieval Specialist Group (BCS IRSG) symposium on future directions in information access (FDIA 2007), 28-29 August 2007, Glasgow, UK. London: BCS [online]. Available from: https://ewic.bcs.org/content/ConWebDoc/13788

This paper offers a proposal for some preliminary research on the retrieval of structured text, such as extensible mark-up language (XML). We believe that capturing the way in which a reader perceives the meaning of documents, especially genres of te... Read More about Structured text retrieval by means of affordances and genre..

Concept-based document readability in domain specific information retrieval. (2006)
Conference Proceeding
YAN, X., SONG, D. and LI, X. 2006. Concept-based document readability in domain specific information retrieval. In Proceedings of the 15th Association for Computing Machinery (ACM) international conference on information and knowledge management (CIKM'06), 5-11 November 2006, Arlington, USA. New York: ACM [online], pages 540-549. Available from: https://doi.org/10.1145/1183614.1183692

Domain specific information retrieval has become in demand. Not only domain experts, but also average non-expert users are interested in searching domain specific (e.g., medical and health) information from online resources. However, a typical proble... Read More about Concept-based document readability in domain specific information retrieval..

LRD: latent relation discovery for vector space expansion and information retrieval. (2006)
Conference Proceeding
GONCALVES, A., ZHU, J., SONG, D., UREN, V. and PACHECO, R. 2006. LRD: latent relation discovery for vector space expansion and information retrieval. In Yu, J.X., Kitsuregawa, M. and Leong, H.V. (eds.) Advances in web-age information management: proceedings of the 7th International conference on web-age information management (WAIM 2006), 17-19 June 2006, Hong Kong, China. Lecture notes in computer science, 4016. Berlin: Springer [online], pages 122-133. Available from: https://doi.org/10.1007/11775300_11

In this paper, we propose a text mining method called LRD (latent relation discovery), which extends the traditional vector space model of document representation in order to improve information retrieval (IR) on documents and document clustering. Ou... Read More about LRD: latent relation discovery for vector space expansion and information retrieval..

Enabling management oversight in corporate blog space. (2006)
Conference Proceeding
SONG, D., BRUZA, P., MCARTHUR, R. and MANSFIELD, T. 2006. Enabling management oversight in corporate blog space. In Nicolov, N., Salvetti, F., Liberman, M. and Martin, J.H. (eds.) Computational approaches to analyzing weblogs: proceedings of the 2006 American Association for Artificial Intelligence (AAAI) Spring symposium, 27-29 March 2006, Stanford, USA. Palo Alto: AAAI Press.

When a modern corporation empowers its staff to use blogs to communicate with colleagues, partners, suppliers and customers, the role of management in exercising oversight and guidance over the public speech of staff becomes dramatically challenged.... Read More about Enabling management oversight in corporate blog space..