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 Hermann Ziak

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Average citations per article0.50
Citation Count2
Publication count4
Publication years2015-2017
Available for download2
Average downloads per article99.50
Downloads (cumulative)199
Downloads (12 Months)199
Downloads (6 Weeks)27
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1 published by ACM
April 2017 Journal on Computing and Cultural Heritage (JOCCH) - Special Issue on Digital Infrastructure for Cultural Heritage, Part 1: Volume 10 Issue 1, April 2017
Publisher: ACM
Citation Count: 0
Downloads (6 Weeks): 23,   Downloads (12 Months): 162,   Downloads (Overall): 162

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The digitization initiatives in the past decades have led to a tremendous increase in digitized objects in the cultural heritage domain. Although digitally available, these objects are often not easily accessible for interested users because of the distributed allocation of the content in different repositories and the variety in data ...
Keywords: Search aggregation, user context detection, metadata harmonization

2 published by ACM
April 2017 SAC '17: Proceedings of the Symposium on Applied Computing
Publisher: ACM
Citation Count: 0
Downloads (6 Weeks): 2,   Downloads (12 Months): 38,   Downloads (Overall): 38

Full text available: PDFPDF
Retrieval of domain-specific documents became attractive for the Semantic Web community due to the possibility of integrating classic Information Retrieval (IR) techniques with semantic knowledge. Unfortunately, the gap between the construction of a full semantic search engine and the possibility of exploiting a repository of ontologies covering all possible domains ...
Keywords: semantic web, federated search, information retrieval, knowledge-based query expansion

September 2015 CLEF'15: Proceedings of the 6th International Conference on Experimental IR Meets Multilinguality, Multimodality, and Interaction - Volume 9283
Publisher: Springer-Verlag New York, Inc.
Citation Count: 1

Cross vertical aggregated search is a special form of meta search, were multiple search engines from different domains and varying behaviour are combined to produce a single search result for each query. Such a setting poses a number of challenges, among them the question of how to best evaluate the ...

September 2015 DEXA '15: Proceedings of the 2015 26th International Workshop on Database and Expert Systems Applications (DEXA)
Publisher: IEEE Computer Society
Citation Count: 1

Underspecified search queries can be performed via result list diversification approaches, which are often computationally complex and require longer response times. In this paper, we explore an alternative, and more efficient way to diversify the result list based on query expansion. To that end, we used a knowledge base pseudo-relevance ...

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