全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Lukman H. Iwan , James A. Thom
来源:[J].Multimedia Tools and Applications(IF 1.014), 2017, Vol.76 (1), pp.1379-1401Springer
摘要:Abstract(#br)The segmentation into acts of a circus performance video is challenging as the content has similar characteristics to other performance videos but is quite different from movies, TV programs, and home videos. Segmentation is useful as a long duration circus show usua...
作者:... Peter Bertok , James A. Thom , Adil Fahad
来源:[J].Future Generation Computer Systems(IF 1.864), 2016, Vol.55, pp.227-237Elsevier
摘要:Abstract(#br)Many organizations often need to share semantic knowledge base content with selected members of other organizations. However, sharing semantic knowledge across different organizations is a critical problem. This is because the differences in the vocabulary utilized b...
作者:Jonathan Yu , James A. Thom , Audrey Tam
来源:[J].Information Systems(IF 1.768), 2009, Vol.34 (8), pp.766-791Elsevier
摘要:Abstract(#br)Many applications benefit from the use of a suitable ontology but it can be difficult to determine which ontology is best suited to a particular application. Although ontology evaluation techniques are improving as more measures and methodologies are proposed, the li...
作者:Daryl D'Souza , James A. Thom , Justin Zobel
来源:[J].Information Processing and Management(IF 0.817), 2004, Vol.40 (3), pp.527-546Elsevier
摘要:Abstract(#br)In a distributed document database system, a query is processed by passing it to a set of individual collections and collating the responses. For a system with many such collections, it is attractive to first identify a small subset of collections as likely to hold d...
作者:Peter Wallis , James A. Thom
来源:[J].Information Processing and Management(IF 0.817), 1996, Vol.32 (3), pp.273-286Elsevier
摘要:Abstract(#br)Recall and Precision have become the principle measures of the effectiveness of information retrieval systems. Inherent in these measures of performance is the idea of a relevant document. Although recall and precision are easily and unambiguously defined, selecting ...
作者:James A. Thom , Anne-Marie Vercoustre
来源:[J].Information Retrieval(IF 0.63), 2010, Vol.13 (5), pp.568-600Springer
摘要:Abstract(#br)Entity ranking has recently emerged as a research field that aims at retrieving entities as answers to a query. Unlike entity extraction where the goal is to tag names of entities in documents, entity ranking is primarily focused on returning a ranked list of relevan...
作者:Jovan Pehcevski , James A. Thom , Anne-Marie Vercoustre
来源:[J].Information Retrieval(IF 0.63), 2005, Vol.8 (4), pp.571-600Springer
摘要:Abstract(#br)This paper investigates the impact of three approaches to XML retrieval: using Zettair, a full-text information retrieval system; using eXist, a native XML database; and using a hybrid system that takes full article answers from Zettair and uses eXist to extract...
作者:Lida Ghahremanlou , Wanita Sherchan , James A. Thom
来源:[J].The Computer Journal(IF 0.755), 2015, Vol.58 (9), pp.1937-1954Duke University Press
摘要:During times of crisis microblogging platforms such as Twitter have played an important role as a communication channel to distribute information. Particularly, disaster-related tweets are valuable resources when tagged with their location for detecting unexpected events. However...

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