Per Ahlgren - RankMe

41 papers A 1Journal 36Unranked 4

Year	Rank	Type	Title / Venue / Authors
2024	J	`jnl`	Normalization of direct citations for clustering in publication-level networks: evaluation of six approaches. Scientometrics Peter Sjögårde, Per Ahlgren
2024	J	`jnl`	Seed-based information retrieval in networks of research publications: Evaluation of direct citations, bibliographic coupling, co-citations and PubMed related article score. CoRR Peter Sjögårde, Per Ahlgren
2024	J	`jnl`	Seed-based information retrieval in networks of research publications: Evaluation of direct citations, bibliographic coupling, co-citations, and PubMed-related article score. J. Assoc. Inf. Sci. Technol. Peter Sjögårde, Per Ahlgren
2023	J	`jnl`	Normalization of direct citations in publication-level networks: Evaluation of six approaches. CoRR Peter Sjögårde, Per Ahlgren
2021	J	`jnl`	Algorithmic labeling in hierarchical classifications of publications: Evaluation of bibliographic fields and term weighting approaches. J. Assoc. Inf. Sci. Technol. Peter Sjögårde, Per Ahlgren, Ludo Waltman
2021	J	`jnl`	The link between ethnic diversity and scientific impact: the mediating effect of novelty and audience diversity. Scientometrics Jie-lan Ding, Zhesi Shen, Per Ahlgren, Tobias Jeppsson, David Minguillo, Johan Lyhagen
2020	J	`jnl`	Algorithmic labeling in hierarchical classifications of publications: Evaluation of bibliographic fields and term weighting approaches. CoRR Peter Sjögårde, Per Ahlgren, Ludo Waltman
2020	J	`jnl`	Enhancing direct citations: A comparison of relatedness measures for community detection in a large set of PubMed publications. Quant. Sci. Stud. Per Ahlgren, Yunwei Chen, Cristian Colliander, Nees Jan van Eck
2020	J	`jnl`	Granularity of algorithmically constructed publication-level classifications of research publications: Identification of specialties. Quant. Sci. Stud. Peter Sjögårde, Per Ahlgren
2020	J	`jnl`	Uncertainty and the ranking of economics journals. Scientometrics Johan Lyhagen, Per Ahlgren
2019	—	`conf`	Community Detection Using Citation Relations and Textual Similarities in a Large Set of PubMed Publications. ISSI Per Ahlgren, Yunwei Chen, Cristian Colliander, Nees Jan van Eck
2019	J	`jnl`	Comparison of publication-level approaches to ex-post citation normalization. Scientometrics Cristian Colliander, Per Ahlgren
2019	J	`jnl`	Granularity of algorithmically constructed publication-level classifications of research publications: Identification of specialties. CoRR Peter Sjögårde, Per Ahlgren
2019	—	`conf`	How does author ethnic diversity affect scientific impact? A study of nanoscience and nanotechnology. ISSI Jie-lan Ding, Zhesi Shen, Per Ahlgren, Tobias Jeppsson, David Minguillo
2018	J	`jnl`	A comparison of citation disciplinary structure in science between the G7 countries and the BRICS countries. J. Data Inf. Sci. Ting Yue, Liying Yang, Per Ahlgren, Jie-lan Ding, Shuangqing Shi, Rainer Frietsch
2018	J	`jnl`	Disciplinary structures in Nature, Science and PNAS: journal and country levels. Scientometrics Jie-lan Ding, Per Ahlgren, Liying Yang, Ting Yue
2018	J	`jnl`	Exploring the relation between referencing practices and citation impact: A large-scale study based on Web of Science data. J. Assoc. Inf. Sci. Technol. Per Ahlgren, Cristian Colliander, Peter Sjögårde
2018	J	`jnl`	Granularity of algorithmically constructed publication-level classifications of research publications: Identification of topics. CoRR Peter Sjögårde, Per Ahlgren
2018	J	`jnl`	Granularity of algorithmically constructed publication-level classifications of research publications: Identification of topics. J. Informetrics Peter Sjögårde, Per Ahlgren
2017	J	`jnl`	Document Type Profiles in Nature, Science, and PNAS: Journal and Country Level. J. Data Inf. Sci. Jie-lan Ding, Per Ahlgren, Liying Yang, Ting Yue
2017	J	`jnl`	Evolution of three Nobel Prize themes and a Nobel snub theme in chemistry: a bibliometric study with focus on international collaboration. Scientometrics Sichao Tong, Per Ahlgren
2017	J	`jnl`	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 Guoliang Yang, Per Ahlgren, Liying Yang, Ronald Rousseau, Jie-lan Ding
2016	J	`jnl`	Using multi-level frontiers in DEA models to grade countries/territories. J. Informetrics Guoliang Yang, Per Ahlgren, Liying Yang, Ronald Rousseau, Jie-lan Ding
2015	J	`jnl`	Bibliometric analysis of two subdomains in philosophy: free will and sorites. Scientometrics Per Ahlgren, Peter Pagin, Olle Persson, Maria Svedberg
2015	—	`conf`	Grading Countries/Territories Using DEA Frontiers. ISSI Guoliang Yang, Per Ahlgren, Liying Yang, Ronald Rousseau, Jie-lan Ding
2014	J	`jnl`	The correlation between citation-based and expert-based assessments of publication channels: SNIP and SJR vs. Norwegian quality assessments. J. Informetrics Per Ahlgren, Ludo Waltman
2013	J	`jnl`	Geographical distance in bibliometric relations within epistemic communities. Scientometrics Per Ahlgren, Olle Persson, Robert J. W. Tijssen
2012	J	`jnl`	Experimental comparison of first and second-order similarities in a scientometric context. Scientometrics Cristian Colliander, Per Ahlgren
2012	J	`jnl`	Field normalized citation rates, field normalized journal impact and Norwegian weights for allocation of university research funds. Scientometrics Per Ahlgren, Cristian Colliander, Olle Persson
2011	J	`jnl`	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 Cristian Colliander, Per Ahlgren
2010	J	`jnl`	Measuring impact of twelve information scientists using the DCI index. J. Assoc. Inf. Sci. Technol. Per Ahlgren, Kalervo Järvelin
2009	J	`jnl`	Document-document similarity approaches and science mapping: Experimental comparison of five approaches. J. Informetrics Per Ahlgren, Cristian Colliander
2008	J	`jnl`	Bibliographic coupling, common abstract stems and clustering: A comparison of two document-document similarity approaches in the context of science mapping. Scientometrics Per Ahlgren, Bo Jarneving
2008	J	`jnl`	Evaluation of retrieval effectiveness with incomplete relevance data: Theoretical and experimental comparison of three measures. Inf. Process. Manag. Per Ahlgren, Leif Grönqvist
2007	J	`jnl`	Indexing strategies for Swedish full text retrieval under different user scenarios. Inf. Process. Manag. Per Ahlgren, Jaana Kekäläinen
2006	A	`conf`	Retrieval evaluation with incomplete relevance data: a comparative study of three measures. CIKM Per Ahlgren, Leif Grönqvist
2006	J	`jnl`	Swedish full text retrieval: Effectiveness of different combinations of indexing strategies with query terms. Inf. Retr. Per Ahlgren, Jaana Kekäläinen
2004	J	`jnl`	Author cocitation analysis and Pearson's r. J. Assoc. Inf. Sci. Technol. Per Ahlgren, Bo Jarneving, Ronald Rousseau
2004	J	`jnl`	Rejoinder: In defense of formal methods. J. Assoc. Inf. Sci. Technol. Per Ahlgren, Bo Jarneving, Ronald Rousseau
2003	J	`jnl`	Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient. J. Assoc. Inf. Sci. Technol. Per Ahlgren, Bo Jarneving, Ronald Rousseau
1999	—	`conf`	On a Cognitive Search Strategy. CoLIS Per Ahlgren