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Nees Jan van Eck
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- affiliation: Leiden University, Centre for Science and Technology Studies (CWTS)
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2020 – today
- 2024
- [i43]Juan Pablo Bascur, Suzan Verberne, Nees Jan van Eck, Ludo Waltman:
Which topics are best represented by science maps? An analysis of clustering effectiveness for citation and text similarity networks. CoRR abs/2406.06454 (2024) - [i42]Patricia Alonso-Álvarez, Nees Jan van Eck:
Coverage and metadata availability of African publications in OpenAlex: A comparative analysis. CoRR abs/2409.01120 (2024) - 2023
- [j49]Juan Pablo Bascur, Suzan Verberne, Nees Jan van Eck, Ludo Waltman:
Academic information retrieval using citation clusters: in-depth evaluation based on systematic reviews. Scientometrics 128(5): 2895-2921 (2023) - 2022
- [j48]Alexis-Michel Mugabushaka, Nees Jan van Eck, Ludo Waltman:
Funding COVID-19 research: Insights from an exploratory analysis using open data infrastructures. Quant. Sci. Stud. 3(3): 560-582 (2022) - [i41]Alexis-Michel Mugabushaka, Nees Jan van Eck, Ludo Waltman:
Funding Covid-19 research: Insights from an exploratory analysis using open data infrastructures. CoRR abs/2202.11639 (2022) - [i40]Juan Pablo Bascur, Suzan Verberne, Nees Jan van Eck, Ludo Waltman:
Academic information retrieval using citation clusters: In-depth evaluation based on systematic reviews. CoRR abs/2207.03299 (2022) - 2021
- [j47]Martijn S. Visser, Nees Jan van Eck, Ludo Waltman:
Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic. Quant. Sci. Stud. 2(1): 20-41 (2021) - [i39]Ciriaco Andrea D'Angelo, Nees Jan van Eck:
Collecting large-scale publication data at the level of individual researchers: A practical proposal for author name disambiguation. CoRR abs/2103.14558 (2021) - [i38]Wout S. Lamers, Kevin W. Boyack, Vincent Larivière, Cassidy R. Sugimoto, Nees Jan van Eck, Ludo Waltman, Dakota S. Murray:
Measuring Disagreement in Science. CoRR abs/2107.14641 (2021) - 2020
- [j46]Paul Donner, Christine Rimmert, Nees Jan van Eck:
Comparing institutional-level bibliometric research performance indicator values based on different affiliation disambiguation systems. Quant. Sci. Stud. 1(1): 150-170 (2020) - [j45]Ludo Waltman, Kevin W. Boyack, Giovanni Colavizza, Nees Jan van Eck:
A principled methodology for comparing relatedness measures for clustering publications. Quant. Sci. Stud. 1(2): 691-713 (2020) - [j44]Per Ahlgren, Yunwei Chen, Cristian Colliander, Nees Jan van Eck:
Enhancing direct citations: A comparison of relatedness measures for community detection in a large set of PubMed publications. Quant. Sci. Stud. 1(2): 714-729 (2020) - [j43]Ciriaco Andrea D'Angelo, Nees Jan van Eck:
Collecting large-scale publication data at the level of individual researchers: a practical proposal for author name disambiguation. Scientometrics 123(2): 883-907 (2020) - [c22]Juan Pablo Bascur, Suzan Verberne, Nees Jan van Eck, Ludo Waltman:
Browsing Citation Clusters for Academic Literature Search: A Simulation Study with Systematic Reviews. BIR@ECIR 2020: 53-65 - [i37]Martijn S. Visser, Nees Jan van Eck, Ludo Waltman:
Large-scale comparison of bibliographic data sources: Scopus, Web of Science, Dimensions, Crossref, and Microsoft Academic. CoRR abs/2005.10732 (2020)
2010 – 2019
- 2019
- [c21]Juan Pablo Bascur, Nees Jan van Eck, Ludo Waltman:
An Interactive Visual Tool for Scientific Literature Search: Proposal and Algorithmic Specification. BIR@ECIR 2019: 76-87 - [c20]Paul Donner, Christine Rimmert, Nees Jan van Eck:
Comparing institutional-level bibliometric indicator values based on different affiliation disambiguation systems. Benchmarking Web of Science and Scopus platform tools against a gold-standard data set for Germany. ISSI 2019: 306-315 - [c19]Lovro Subelj, Ludo Waltman, Vincent A. Traag, Nees Jan van Eck:
Intermediacy of publications. ISSI 2019: 1288-1300 - [c18]Per Ahlgren, Yunwei Chen, Cristian Colliander, Nees Jan van Eck:
Community Detection Using Citation Relations and Textual Similarities in a Large Set of PubMed Publications. ISSI 2019: 1380-1391 - [c17]Wout S. Lamers, Nees Jan van Eck, Ludo Waltman:
Variations in citation practices across the scientific landscape: Analysis based on a large full-text corpus. ISSI 2019: 2121-2132 - [c16]Martijn S. Visser, Nees Jan van Eck, Ludo Waltman:
Large-scale comparison of bibliographic data sources: Web of Science, Scopus, Dimensions, and Crossref. ISSI 2019: 2358-2369 - [c15]Dakota S. Murray, Wout Lamers, Kevin W. Boyack, Vincent Larivière, Cassidy R. Sugimoto, Nees Jan van Eck, Ludo Waltman:
Measuring disagreement in science. ISSI 2019: 2370-2375 - [p1]Ludo Waltman, Nees Jan van Eck:
Field Normalization of Scientometric Indicators. Springer Handbook of Science and Technology Indicators 2019: 281-300 - [i36]Ludo Waltman, Kevin W. Boyack, Giovanni Colavizza, Nees Jan van Eck:
A principled methodology for comparing relatedness measures for clustering publications. CoRR abs/1901.06815 (2019) - [i35]Nees Jan van Eck, Ludo Waltman:
Accuracy of citation data in Web of Science and Scopus. CoRR abs/1906.07011 (2019) - 2018
- [j42]René Mahieu, Nees Jan van Eck, David van Putten, Jeroen van den Hoven:
From dignity to security protocols: a scientometric analysis of digital ethics. Ethics Inf. Technol. 20(3): 175-187 (2018) - [j41]Giovanni Colavizza, Kevin W. Boyack, Nees Jan van Eck, Ludo Waltman:
The Closer the Better: Similarity of Publication Pairs at Different Cocitation Levels. J. Assoc. Inf. Sci. Technol. 69(4): 600-609 (2018) - [j40]Nees Jan van Eck, Ludo Waltman:
Analyzing the activities of visitors of the Leiden Ranking website. J. Data Inf. Sci. 3(3): 81-98 (2018) - [j39]Kevin W. Boyack, Nees Jan van Eck, Giovanni Colavizza, Ludo Waltman:
Characterizing in-text citations in scientific articles: A large-scale analysis. J. Informetrics 12(1): 59-73 (2018) - [i34]Ludo Waltman, Nees Jan van Eck:
Field normalization of scientometric indicators. CoRR abs/1801.09985 (2018) - [i33]Nees Jan van Eck, Ludo Waltman:
Analyzing the activities of visitors of the Leiden Ranking website. CoRR abs/1804.03869 (2018) - [i32]Vincent A. Traag, Ludo Waltman, Nees Jan van Eck:
From Louvain to Leiden: guaranteeing well-connected communities. CoRR abs/1810.08473 (2018) - [i31]Lovro Subelj, Ludo Waltman, Vincent A. Traag, Nees Jan van Eck:
Intermediacy of publications. CoRR abs/1812.08259 (2018) - 2017
- [j38]Nees Jan van Eck, Ludo Waltman:
Citation-based clustering of publications using CitNetExplorer and VOSviewer. Scientometrics 111(2): 1053-1070 (2017) - [j37]Kevin W. Boyack, Wolfgang Glänzel, Jochen Gläser, Frank Havemann, Andrea Scharnhorst, Bart Thijs, Nees Jan van Eck, Theresa Velden, Ludo Waltman:
Topic identification challenge. Scientometrics 111(2): 1223-1224 (2017) - [c14]Giovanni Colavizza, Kevin W. Boyack, Nees Jan van Eck, Ludo Waltman:
Exploring the Similarity of Articles Co-cited at Different Levels. ISSI 2017: 549-560 - [c13]Ludo Waltman, Kevin W. Boyack, Giovanni Colavizza, Nees Jan van Eck:
A principled methodology for comparing relatedness measures for clustering publications. ISSI 2017: 691-702 - [c12]Kevin W. Boyack, Nees Jan van Eck, Giovanni Colavizza, Ludo Waltman:
Reference behavior in the full text of scientific articles: A large-scale analysis. ISSI 2017: 787-798 - [c11]Nees Jan van Eck, Ludo Waltman:
Accuracy of citation data in Web of Science and Scopus. ISSI 2017: 1087-1092 - [c10]Nees Jan van Eck, Ludo Waltman, Min Song, Yoo Kyung Jeong:
Using full-text data to create improved term maps. ISSI 2017: 1136-1141 - [i30]Nees Jan van Eck, Ludo Waltman:
Citation-based clustering of publications using CitNetExplorer and VOSviewer. CoRR abs/1702.03411 (2017) - [i29]Giovanni Colavizza, Kevin W. Boyack, Nees Jan van Eck, Ludo Waltman:
The Closer the Better: Similarity of Publication Pairs at Different Co-Citation Levels. CoRR abs/1707.03076 (2017) - [i28]Kevin W. Boyack, Nees Jan van Eck, Giovanni Colavizza, Ludo Waltman:
Characterizing in-text citations in scientific articles: A large-scale analysis. CoRR abs/1710.03094 (2017) - 2016
- [j36]Marlies Olensky, Marion Schmidt, Nees Jan van Eck:
Evaluation of the citation matching algorithms of CWTS and iFQ in comparison to the Web of science. J. Assoc. Inf. Sci. Technol. 67(10): 2550-2564 (2016) - [j35]Ludo Waltman, Nees Jan van Eck, Martijn S. Visser, Paul Wouters:
The elephant in the room: The problem of quantifying productivity in evaluative scientometrics. J. Informetrics 10(2): 671-674 (2016) - [j34]Antonio Perianes-Rodríguez, Ludo Waltman, Nees Jan van Eck:
Constructing bibliometric networks: A comparison between full and fractional counting. J. Informetrics 10(4): 1178-1195 (2016) - [i27]Ludo Waltman, Nees Jan van Eck, Martijn S. Visser, Paul Wouters:
The elephant in the room: The problem of quantifying productivity in evaluative scientometrics. CoRR abs/1605.02378 (2016) - [i26]Antonio Perianes-Rodríguez, Ludo Waltman, Nees Jan van Eck:
Constructing bibliometric networks: A comparison between full and fractional counting. CoRR abs/1607.02452 (2016) - 2015
- [j33]Ludo Waltman, Nees Jan van Eck:
Field-normalized citation impact indicators and the choice of an appropriate counting method. J. Informetrics 9(4): 872-894 (2015) - [c9]Ludo Waltman, Nees Jan van Eck:
Field-Normalized Citation Impact Indicators and the Choice of an Appropriate Counting Method. ISSI 2015 - [i25]Ludo Waltman, Nees Jan van Eck:
Field-normalized citation impact indicators and the choice of an appropriate counting method. CoRR abs/1501.04431 (2015) - [i24]Marlies Olensky, Marion Schmidt, Nees Jan van Eck:
Evaluation of the citation matching algorithms of CWTS and iFQ in comparison to Web of Science. CoRR abs/1507.03314 (2015) - [i23]Lovro Subelj, Nees Jan van Eck, Ludo Waltman:
Clustering scientific publications based on citation relations: A systematic comparison of different methods. CoRR abs/1512.09023 (2015) - 2014
- [j32]Nees Jan van Eck, Ludo Waltman:
CitNetExplorer: A new software tool for analyzing and visualizing citation networks. J. Informetrics 8(4): 802-823 (2014) - [c8]Nees Jan van Eck, Ludo Waltman:
Systematic Retrieval of Scientific Literature based on Citation Relations: Introducing the CitNetExplorer Tool. BIR@ECIR 2014: 13-20 - [i22]Nees Jan van Eck, Ludo Waltman:
CitNetExplorer: A new software tool for analyzing and visualizing citation networks. CoRR abs/1404.5322 (2014) - 2013
- [j31]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser:
Some modifications to the SNIP journal impact indicator. J. Informetrics 7(2): 272-285 (2013) - [j30]Ludo Waltman, Nees Jan van Eck, Paul Wouters:
Counting publications and citations: Is more always better? J. Informetrics 7(3): 635-641 (2013) - [j29]Ludo Waltman, Nees Jan van Eck:
A systematic empirical comparison of different approaches for normalizing citation impact indicators. J. Informetrics 7(4): 833-849 (2013) - [j28]Ludo Waltman, Nees Jan van Eck:
Source normalized indicators of citation impact: an overview of different approaches and an empirical comparison. Scientometrics 96(3): 699-716 (2013) - [i21]Ludo Waltman, Nees Jan van Eck, Paul Wouters:
Counting publications and citations: Is more always better? CoRR abs/1301.4597 (2013) - [i20]Ludo Waltman, Nees Jan van Eck:
A systematic empirical comparison of different approaches for normalizing citation impact indicators. CoRR abs/1301.4941 (2013) - [i19]Ludo Waltman, Nees Jan van Eck:
A smart local moving algorithm for large-scale modularity-based community detection. CoRR abs/1308.6604 (2013) - 2012
- [j27]Ludo Waltman, Nees Jan van Eck, Anthony F. J. van Raan:
Universality of citation distributions revisited. J. Assoc. Inf. Sci. Technol. 63(1): 72-77 (2012) - [j26]Ludo Waltman, Nees Jan van Eck:
The inconsistency of the h-index. J. Assoc. Inf. Sci. Technol. 63(2): 406-415 (2012) - [j25]Ludo Waltman, Nees Jan van Eck:
A new methodology for constructing a publication-level classification system of science. J. Assoc. Inf. Sci. Technol. 63(12): 2378-2392 (2012) - [j24]Ludo Waltman, Clara Calero-Medina, Joost Kosten, Ed C. M. Noyons, Robert J. W. Tijssen, Nees Jan van Eck, Thed N. van Leeuwen, Anthony F. J. van Raan, Martijn S. Visser, Paul Wouters:
The Leiden ranking 2011/2012: Data collection, indicators, and interpretation. J. Assoc. Inf. Sci. Technol. 63(12): 2419-2432 (2012) - [j23]Ludo Waltman, Nees Jan van Eck:
A mathematical analysis of the long-run behavior of genetic algorithms for social modeling. Soft Comput. 16(6): 1071-1089 (2012) - [i18]Ludo Waltman, Clara Calero-Medina, Joost Kosten, Ed C. M. Noyons, Robert J. W. Tijssen, Nees Jan van Eck, Thed N. van Leeuwen, Anthony F. J. van Raan, Martijn S. Visser, Paul Wouters:
The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation. CoRR abs/1202.3941 (2012) - [i17]Ludo Waltman, Nees Jan van Eck:
A new methodology for constructing a publication-level classification system of science. CoRR abs/1203.0532 (2012) - [i16]Robert J. W. Tijssen, Ludo Waltman, Nees Jan van Eck:
Research collaboration and the expanding science grid: Measuring globalization processes worldwide. CoRR abs/1203.4194 (2012) - [i15]Ludo Waltman, Nees Jan van Eck:
Source normalized indicators of citation impact: An overview of different approaches and an empirical comparison. CoRR abs/1208.6122 (2012) - [i14]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser:
Some modifications to the SNIP journal impact indicator. CoRR abs/1209.0785 (2012) - [i13]Nees Jan van Eck, Ludo Waltman, Anthony F. J. van Raan, Robert J. M. Klautz, Wilco C. Peul:
Citation analysis may severely underestimate the impact of clinical research as compared to basic research. CoRR abs/1210.0442 (2012) - 2011
- [j22]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
Towards a new crown indicator: Some theoretical considerations. J. Informetrics 5(1): 37-47 (2011) - [j21]Ludo Waltman, Robert J. W. Tijssen, Nees Jan van Eck:
Globalisation of science in kilometres. J. Informetrics 5(4): 574-582 (2011) - [j20]Cathelijn J. F. Waaijer, Cornelis A. van Bochove, Nees Jan van Eck:
On the map: Nature and Science editorials. Scientometrics 86(1): 99-112 (2011) - [j19]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
Towards a new crown indicator: an empirical analysis. Scientometrics 87(3): 467-481 (2011) - [j18]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
On the correlation between bibliometric indicators and peer review: reply to Opthof and Leydesdorff. Scientometrics 88(3): 1017-1022 (2011) - [j17]Ludo Waltman, Erjia Yan, Nees Jan van Eck:
A recursive field-normalized bibliometric performance indicator: an application to the field of library and information science. Scientometrics 89(1): 301-314 (2011) - [i12]Ludo Waltman, Robert J. W. Tijssen, Nees Jan van Eck:
Globalisation of science in kilometres. CoRR abs/1103.3648 (2011) - [i11]Ludo Waltman, Nees Jan van Eck, Anthony F. J. van Raan:
Universality of citation distributions revisited. CoRR abs/1105.2934 (2011) - [i10]Ludo Waltman, Erjia Yan, Nees Jan van Eck:
A recursive field-normalized bibliometric performance indicator: An application to the field of library and information science. CoRR abs/1105.3212 (2011) - [i9]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
On the correlation between bibliometric indicators and peer review: Reply to Opthof and Leydesdorff. CoRR abs/1105.5316 (2011) - [i8]Ludo Waltman, Nees Jan van Eck:
The inconsistency of the h-index. CoRR abs/1108.3901 (2011) - [i7]Nees Jan van Eck, Ludo Waltman:
Text mining and visualization using VOSviewer. CoRR abs/1109.2058 (2011) - 2010
- [j16]Ludo Waltman, Nees Jan van Eck:
The relation between Eigenfactor, audience factor, and influence weight. J. Assoc. Inf. Sci. Technol. 61(7): 1476-1486 (2010) - [j15]Nees Jan van Eck, Ludo Waltman, Rommert Dekker, Jan van den Berg:
A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS. J. Assoc. Inf. Sci. Technol. 61(12): 2405-2416 (2010) - [j14]Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman:
Rivals for the crown: Reply to Opthof and Leydesdorff. J. Informetrics 4(3): 431-435 (2010) - [j13]Ludo Waltman, Nees Jan van Eck, Ed C. M. Noyons:
A unified approach to mapping and clustering of bibliometric networks. J. Informetrics 4(4): 629-635 (2010) - [j12]Nees Jan van Eck, Ludo Waltman, Ed C. M. Noyons, R. K. Buter:
Automatic term identification for bibliometric mapping. Scientometrics 82(3): 581-596 (2010) - [j11]Nees Jan van Eck, Ludo Waltman:
Software survey: VOSviewer, a computer program for bibliometric mapping. Scientometrics 84(2): 523-538 (2010) - [i6]Anthony F. J. van Raan, Thed N. van Leeuwen, Martijn S. Visser, Nees Jan van Eck, Ludo Waltman:
Rivals for the crown: Reply to Opthof and Leydesdorff. CoRR abs/1003.2113 (2010) - [i5]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
Towards a new crown indicator: Some theoretical considerations. CoRR abs/1003.2167 (2010) - [i4]Ludo Waltman, Nees Jan van Eck:
The relation between Eigenfactor, audience factor, and influence weight. CoRR abs/1003.2198 (2010) - [i3]Nees Jan van Eck, Ludo Waltman, Rommert Dekker, Jan van den Berg:
A comparison of two techniques for bibliometric mapping: Multidimensional scaling and VOS. CoRR abs/1003.2551 (2010) - [i2]Ludo Waltman, Nees Jan van Eck, Thed N. van Leeuwen, Martijn S. Visser, Anthony F. J. van Raan:
Towards a new crown indicator: An empirical analysis. CoRR abs/1004.1632 (2010) - [i1]Ludo Waltman, Nees Jan van Eck, Ed C. M. Noyons:
A unified approach to mapping and clustering of bibliometric networks. CoRR abs/1006.1032 (2010)
2000 – 2009
- 2009
- [j10]Nees Jan van Eck, Ludo Waltman:
How to normalize cooccurrence data? An analysis of some well-known similarity measures. J. Assoc. Inf. Sci. Technol. 60(8): 1635-1651 (2009) - [j9]Ludo Waltman, Nees Jan van Eck:
Some comments on Egghe's derivation of the impact factor distribution. J. Informetrics 3(4): 363-366 (2009) - [j8]Nees Jan van Eck, Ludo Waltman:
On the proper understanding of the limiting behavior of generalizations of the h- and g-indices. J. Informetrics 3(4): 369-370 (2009) - 2008
- [j7]Nees Jan van Eck, Michiel C. van Wezel:
Application of reinforcement learning to the game of Othello. Comput. Oper. Res. 35(6): 1999-2017 (2008) - [j6]Nees Jan van Eck, Ludo Waltman:
Appropriate similarity measures for author co-citation analysis. J. Assoc. Inf. Sci. Technol. 59(10): 1653-1661 (2008) - [j5]Nees Jan van Eck, Ludo Waltman:
Generalizing the h- and g-indices. J. Informetrics 2(4): 263-271 (2008) - [j4]Ludo Waltman, Nees Jan van Eck:
Some comments on the journal weighted impact factor proposed by Habibzadeh and Yadollahie. J. Informetrics 2(4): 369-372 (2008) - [c7]Nees Jan van Eck, Flavius Frasincar, Dwain Chang:
Cluster-Based Visualization of Concept Associations. IV 2008: 409-414 - 2007
- [j3]Nees Jan van Eck, Ludo Waltman:
Bibliometric Mapping of the Computational Intelligence Field. Int. J. Uncertain. Fuzziness Knowl. Based Syst. 15(5): 625-645 (2007) - [j2]Ludo Waltman, Nees Jan van Eck:
Some comments on the question whether co-occurrence data should be normalized. J. Assoc. Inf. Sci. Technol. 58(11): 1701-1703 (2007) - [c6]Ankit Soni, Nees Jan van Eck, Uzay Kaymak:
Prediction of Stock Price Movements Based on Concept Map Information. MCDM 2007: 205-211 - 2006
- [j1]Nees Jan van Eck, Ludo Waltman, Jan van den Berg, Uzay Kaymak:
Visualizing the computational intelligence field [Application Notes]. IEEE Comput. Intell. Mag. 1(4): 6-10 (2006) - [c5]Nees Jan van Eck, Ludo Waltman, Jan van den Berg, Uzay Kaymak:
Visualizing the WCCI 2006 Knowledge Domain. FUZZ-IEEE 2006: 1671-1678 - [c4]Nees Jan van Eck, Ludo Waltman:
VOS: A New Method for Visualizing Similarities Between Objects. GfKl 2006: 299-306 - [c3]Nees Jan van Eck, Flavius Frasincar, Jan van den Berg:
Visualizing Concept Associations Using Concept Density Maps. IV 2006: 270-275 - 2005
- [c2]Nees Jan van Eck, Ludo Waltman, Jan van den Berg:
A Novel Algorithm for Visualizing Concept Associations. BNAIC 2005: 397-398 - [c1]Nees Jan van Eck, Ludo Waltman, Jan van den Berg:
A Novel Algorithm for Visualizing Concept Associations. DEXA Workshops 2005: 405-409
Coauthor Index
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