Concepedia

Per Ahlgren

PA

Statistics

Publications

28

Citations

1.8K

H-Index

19

Active since

1971

Affiliations

Umeå University(Current)

Stockholm University

KTH Royal Institute of Technology

University of Borås

Karlstad University

Per Ahlgren is an author at Umeå University specializing in bibliometric analysis, citation networks, and information retrieval.

Publications per year

1971–2021

28

Publications

28

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

Per Ahlgren, Bo Jarneving, Ronald Rousseau · Journal of the American Society for Information Science and Technology · 2003 · 807 citations

Natural Sciences, Computer Science, Experimental Design +10

Removal of Wood Components During Chlorite Delignification of Black Spruce

Per Ahlgren, D. A. I. Goring · Canadian Journal of Chemistry · 1971 · 155 citations

Life Sciences, Biochemistry, Chemical Engineering +12

Acid hydrolysis of some industrial pulps: effect of hydrolysis conditions and raw material

Helena H�kansson, Per Ahlgren · Cellulose · 2005 · 122 citations

Engineering, Chemical Engineering, Industrial Engineering +10

Document–document similarity approaches and science mapping: Experimental comparison of five approaches

Per Ahlgren, Cristian Colliander · Journal of Informetrics · 2009 · 92 citations

Computing, Data Science, Information Retrieval +14

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

Per Ahlgren, Bo Jarneving · Scientometrics · 2008 · 49 citations

Business, Data Science, Information Retrieval +16

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