Per Ahlgren

According to our database1, Per Ahlgren authored at least 25 papers between 1999 and 2019.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Other 

Links

On csauthors.net:

Bibliography

2019
Comparison of publication-level approaches to ex-post citation normalization.
Scientometrics, 2019

2018
Disciplinary structures in Nature, Science and PNAS: journal and country levels.
Scientometrics, 2018

Granularity of algorithmically constructed publication-level classifications of research publications: Identification of topics.
J. Informetrics, 2018

Exploring the relation between referencing practices and citation impact: A large-scale study based on Web of Science data.
JASIST, 2018

2017
Evolution of three Nobel Prize themes and a Nobel snub theme in chemistry: a bibliometric study with focus on international collaboration.
Scientometrics, 2017

Reply to 'Comment on "Using multi-level frontiers in DEA models to grade countries/territories" by G.-l. Yang et al. [Journal of Informetrics 10(1) (2016), 238-253]'.
J. Informetrics, 2017

2016
Using multi-level frontiers in DEA models to grade countries/territories.
J. Informetrics, 2016

2015
Bibliometric analysis of two subdomains in philosophy: free will and sorites.
Scientometrics, 2015

Grading Countries/Territories Using DEA Frontiers.
Proceedings of ISSI 2015 Istanbul: 15th International Society of Scientometrics and Informetrics Conference, 2015

2014
The correlation between citation-based and expert-based assessments of publication channels: SNIP and SJR vs. Norwegian quality assessments.
J. Informetrics, 2014

2013
Geographical distance in bibliometric relations within epistemic communities.
Scientometrics, 2013

2012
Experimental comparison of first and second-order similarities in a scientometric context.
Scientometrics, 2012

Field normalized citation rates, field normalized journal impact and Norwegian weights for allocation of university research funds.
Scientometrics, 2012

2011
The effects and their stability of field normalization baseline on relative performance with respect to citation impact: A case study of 20 natural science departments.
J. Informetrics, 2011

2010
Measuring impact of twelve information scientists using the DCI index.
JASIST, 2010

2009
Document-document similarity approaches and science mapping: Experimental comparison of five approaches.
J. Informetrics, 2009

2008
Bibliographic coupling, common abstract stems and clustering: A comparison of two document-document similarity approaches in the context of science mapping.
Scientometrics, 2008

Evaluation of retrieval effectiveness with incomplete relevance data: Theoretical and experimental comparison of three measures.
Inf. Process. Manage., 2008

2007
Indexing strategies for Swedish full text retrieval under different user scenarios.
Inf. Process. Manage., 2007

2006
Swedish full text retrieval: Effectiveness of different combinations of indexing strategies with query terms.
Inf. Retr., 2006

Retrieval evaluation with incomplete relevance data: a comparative study of three measures.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

2004
Rejoinder: In defense of formal methods.
JASIST, 2004

Author cocitation analysis and Pearson's r.
JASIST, 2004

2003
Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient.
JASIST, 2003

1999
On a Cognitive Search Strategy.
Proceedings of the Digital Libraries: Interdisciplinary Concepts, 1999


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