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Updated: Feb 17, 2026
05:02
Comparing Bibliometric Analysis Using PubMed, Scopus, and Web of Science Databases
Published on: October 24, 2019
33.9K
A snapshot of 3649 Web-based services published between 1994 and 2017 shows a decrease in availability after 2 years.
Ágnes Ősz1, Lőrinc Sándor Pongor1, Danuta Szirmai1
1MTA TTK Lendület Cancer Biomarker Research Group, Hungarian Academy of Sciences, Institute of Enzymology, Magyar tudósok körútja 2, H-1117, Budapest, Hungary.
Briefings in Bioinformatics
|December 12, 2017
Summary
Many online Web services become unavailable, impacting research reproducibility. This study monitored Web service accessibility, finding that nearly one-third are now defunct, highlighting the need for sustained support to ensure reliable scientific data access.
Area of Science:
- Bioinformatics
- Computational Biology
- Scientific Computing
Background:
- Long-term availability of online Web services is crucial for analytical result reproducibility.
- Many Web services become inaccessible due to a lack of maintenance after publication.
- This study aimed to monitor Web service accessibility and decay rates.
Observation:
- A total of 3649 publications with Web server-related terms were analyzed.
- 69% of the identified Web services were active at the time of the study.
- Web service availability significantly declines after the first two years, with a mean half-life of 10.39 years.
Findings:
- Services published in higher impact factor journals were more likely to be active.
- Web services published before 2000 received less attention.
- Offline services had significantly lower citation rates compared to online services.
Implications:
- Approximately one-third of published Web services are no longer operational.
- Continued support and maintenance of Web-based services are recommended to enhance the reproducibility of scientific findings.
- The decreasing proportion of databases suggests a shift in the types of Web services being developed.
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