Per Ahlgren


2003

doi dblp
Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient
Per Ahlgren | Bo Jarneving | Ronald Rousseau
2003 Volume 54 Issue 6

2004

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Rejoinder: In defense of formal methods
Per Ahlgren | Bo Jarneving | Ronald Rousseau
2004 Volume 55 Issue 10

doi dblp
Author cocitation analysis and Pearson's r
Per Ahlgren | Bo Jarneving | Ronald Rousseau
2004 Volume 55 Issue 9

2006

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Retrieval evaluation with incomplete relevance data: a comparative study of three measures
Per Ahlgren | Leif Grönqvist
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

doi dblp
Swedish full text retrieval: Effectiveness of different combinations of indexing strategies with query terms
Per Ahlgren | Jaana Kekäläinen
2006 Volume 9 Issue 6

2007

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Indexing strategies for Swedish full text retrieval under different user scenarios
Per Ahlgren | Jaana Kekäläinen
2007 Volume 43 Issue 1

2008

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Evaluation of retrieval effectiveness with incomplete relevance data: Theoretical and experimental comparison of three measures
Per Ahlgren | Leif Grönqvist
2008 Volume 44 Issue 1

2010

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Measuring impact of twelve information scientists using the DCI index
Per Ahlgren | Kalervo Järvelin
2010 Volume 61 Issue 7

2018

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Exploring the relation between referencing practices and citation impact: A large-scale study based on Web of Science data
Per Ahlgren | Cristian Colliander | Peter Sjögårde
2018 Volume 69 Issue 5

2021

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Algorithmic labeling in hierarchical classifications of publications: Evaluation of bibliographic fields and term weighting approaches
Peter Sjögårde | Per Ahlgren | Ludo Waltman
2021 Volume 72 Issue 7