James E. Keen

4.2k total citations · 1 hit paper
61 papers, 3.3k citations indexed

About

James E. Keen is a scholar working on Endocrinology, Infectious Diseases and Food Science. According to data from OpenAlex, James E. Keen has authored 61 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 35 papers in Endocrinology, 27 papers in Infectious Diseases and 23 papers in Food Science. Recurrent topics in James E. Keen's work include Escherichia coli research studies (33 papers), Viral gastroenteritis research and epidemiology (25 papers) and Salmonella and Campylobacter epidemiology (19 papers). James E. Keen is often cited by papers focused on Escherichia coli research studies (33 papers), Viral gastroenteritis research and epidemiology (25 papers) and Salmonella and Campylobacter epidemiology (19 papers). James E. Keen collaborates with scholars based in United States, Italy and United Kingdom. James E. Keen's co-authors include Robert O. Elder, William W. Laegreid, M. Koohmaraie, Gregory R. Siragusa, Genevieve A. Barkocy‐Gallagher, Lisa M. Durso, Jimmy Kwang, James L. Bono, Gaylen A. Uhlich and E. Travis Littledike and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Applied and Environmental Microbiology and Journal of Clinical Microbiology.

In The Last Decade

James E. Keen

60 papers receiving 3.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Correlation of enterohemorrhagic Escherichia coli O157 prevalence in feces, hides, and carcasses of beef cattle during processing

2000 660 citations Robert O. Elder, James E. Keen et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
James E. Keen United States	33	1.7k	1.6k	1.3k	737	453	61	3.3k
C. Wray United Kingdom	35	1.0k 0.6×	2.1k 1.3×	886 0.7×	573 0.8×	274 0.6×	136	3.3k
Jeffrey Hoorfar Denmark	32	892 0.5×	2.4k 1.5×	1.1k 0.8×	970 1.3×	1.4k 3.1×	105	4.0k
W M Johnson Canada	31	1.6k 0.9×	1.5k 0.9×	2.1k 1.6×	549 0.7×	1.1k 2.3×	74	4.5k
L. Garry Adams United States	27	1.4k 0.8×	2.2k 1.4×	902 0.7×	324 0.4×	649 1.4×	49	3.5k
James L. Bono United States	36	990 0.6×	909 0.6×	1.8k 1.4×	369 0.5×	982 2.2×	129	4.3k
Paul Wigley United Kingdom	41	957 0.6×	3.0k 1.9×	1.4k 1.0×	232 0.3×	735 1.6×	96	4.8k
Michael C. Pearce United Kingdom	21	1.0k 0.6×	775 0.5×	818 0.6×	334 0.5×	497 1.1×	46	2.3k
E. Liébana United Kingdom	36	1.0k 0.6×	1.6k 1.0×	1.6k 1.2×	413 0.6×	519 1.1×	90	3.9k
Efrain M. Ribot United States	24	1.9k 1.1×	2.7k 1.7×	1.1k 0.8×	951 1.3×	816 1.8×	40	4.4k
Andrew Wales United Kingdom	27	544 0.3×	1.1k 0.7×	602 0.5×	338 0.5×	285 0.6×	66	2.3k

Countries citing papers authored by James E. Keen

Since Specialization

Citations

This map shows the geographic impact of James E. Keen's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by James E. Keen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites James E. Keen more than expected).

Fields of papers citing papers by James E. Keen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James E. Keen. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by James E. Keen. The network helps show where James E. Keen may publish in the future.

Co-authorship network of co-authors of James E. Keen

This figure shows the co-authorship network connecting the top 25 collaborators of James E. Keen. A scholar is included among the top collaborators of James E. Keen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with James E. Keen. James E. Keen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Keen, James E., et al.. (2017). Utilization of Computer-Aided Detection for Digital Screening Mammography in the United States, 2008 to 2016. Journal of the American College of Radiology. 15(1). 44–48. 41 indexed citations

Bono, James L., Timothy P. L. Smith, James E. Keen, et al.. (2012). Phylogeny of Shiga Toxin-Producing Escherichia coli O157 Isolated from Cattle and Clinically Ill Humans. Molecular Biology and Evolution. 29(8). 2047–2062. 38 indexed citations

Fiorella, P.D., et al.. (2009). Outbreak of shiga toxin-producing Escherichia coli O157 infection associated with a day camp petting zoo - Pinellas County, Florida, May-June 2007.. MMWR Morbidity and Mortality Weekly Report. 58(16). 426–428. 19 indexed citations

Goode, Brant, Ciara E. O’Reilly, John R. Dunn, et al.. (2009). Outbreak of Escherichia coli O157. JAMA Pediatrics. 2 indexed citations

Callaway, Todd R., Tom S. Edrington, A.D. Brabban, et al.. (2008). Bacteriophage Isolated from Feedlot Cattle Can Reduce Escherichia coli O157:H7 Populations in Ruminant Gastrointestinal Tracts. Foodborne Pathogens and Disease. 5(2). 183–191. 107 indexed citations

Keen, James E., et al.. (2008). How does age affect baseline screening mammography performance measures? A decision model. BMC Medical Informatics and Decision Making. 8(1). 40–40. 16 indexed citations

Bono, James L., James E. Keen, Michael L. Clawson, et al.. (2007). Association of Escherichia coli O157:H7 tirpolymorphisms with human infection. BMC Infectious Diseases. 7(1). 98–98. 55 indexed citations

Durso, Lisa M., James L. Bono, & James E. Keen. (2007). Molecular serotyping of Escherichia coli O111:H8. Journal of Microbiological Methods. 69(2). 381–383. 10 indexed citations

Dunn, John R., et al.. (2007). Risk behaviors for disease transmission among petting zoo attendees. Journal of the American Veterinary Medical Association. 231(7). 1036–1038. 25 indexed citations

10.

Callaway, Todd R., Tom S. Edrington, A.D. Brabban, et al.. (2006). Fecal Prevalence of Escherichia coli O157, Salmonella, Listeria, and Bacteriophage Infecting E. coli O157:H7 in Feedlot Cattle in the Southern Plains Region of the United States. Foodborne Pathogens and Disease. 3(3). 234–244. 56 indexed citations

11.

Durso, Lisa M., et al.. (2005). Shiga-Toxigenic Escherichia coli O157:H7 Infections among Livestock Exhibitors and Visitors at a Texas County Fair. Vector-Borne and Zoonotic Diseases. 5(2). 193–201. 45 indexed citations

12.

Dunn, John R., James E. Keen, & R. Alex Thompson. (2004). Prevalence of shiga-toxigenic Escherichia coli O157:H7 in adult dairy cattle. Journal of the American Veterinary Medical Association. 224(7). 1151–1158. 42 indexed citations

13.

Dunn, John R., et al.. (2004). Escherichia coli O157:H7 in a Cohort of Weaned, Preconditioned Range Beef Calves. Journal of Food Protection. 67(11). 2391–2396. 17 indexed citations

14.

Callaway, Todd R., Robert O. Elder, James E. Keen, Robin C. Anderson, & David J. Nisbet. (2003). Forage Feeding to Reduce Preharvest Escherichia coli Populations in Cattle, a Review. Journal of Dairy Science. 86(3). 852–860. 103 indexed citations

15.

Keen, James E. & Robert O. Elder. (2002). Isolation of shiga-toxigenic Escherichia coli O157 from hide surfaces and the oral cavity of finished beef feedlot cattle. Journal of the American Veterinary Medical Association. 220(6). 756–763. 105 indexed citations

16.

Keen, James E., et al.. (1999). Breeding soundness examination of North American bison bulls. Journal of the American Veterinary Medical Association. 214(8). 1212–1217. 10 indexed citations

17.

Keen, James E., Laura L. Hungerford, E. Travis Littledike, Thomas E. Wittum, & Jimmy Kwang. (1997). Effect of ewe ovine lentivirus infection on ewe and lamb productivity. Preventive Veterinary Medicine. 30(2). 155–169. 52 indexed citations

18.

Kwang, Jimmy, E. Travis Littledike, & James E. Keen. (1996). Use of the polymerase chain reaction for Salmonella detection. Letters in Applied Microbiology. 22(1). 46–51. 100 indexed citations

19.

Rosati, Sergio, Jimmy Kwang, Francesco Tolari, & James E. Keen. (1996). Characterization of enzootic nasal tumor virus capsid antigen. Veterinary Microbiology. 53(3-4). 261–269. 8 indexed citations

20.

Keen, James E.. (1991). Artificial Intelligence: Foundations, Trends, and Issues. Business Education Forum. 46(2). 25–27. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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