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- 2015-04-17: Schloss Dagstuhl seeks Research Scientist (Computer Science or Mathematics)
At Schloss Dagstuhl – Leibniz Center for Informatics seeks to hire a Research Scientist (Computer Science or Mathematics). Position start date: July 1, 2015.
Job description: The dblp computer science bibliography, jointly operated by Schloss Dagstuhl and the University of Trier, is the world’s most comprehensive open data collection on bibliographic meta data in computer science, hosting about three million publication records. In the research project Scalable Author Disambiguation for Bibliographic Databases, the Heidelberg Institute for Theoretical Studies (HITS), FIZ Karlsruhe – Leibniz Institute for Information Infrastructure, and Schloss Dagstuhl have joined forces to develop algorithmic methods for determining the unambiguous attribution of research articles to their authors in scholarly databases such as dblp or zbMATH. The person hired for this position will be responsible for developing and implementing such methods in the live production environment of dblp, and participating in the ongoing technological and content-related development of the dblp service. Job duties will be performed in close cooperation with the existing dblp team of Schloss Dagstuhl and our project partners.
For more information, please visit the website of Schloss Dagstuhl.
- 2015-04-05: University of Trier seeks Professor (Database and Information Systems)
The Department of Computer Science of the University of Trier seeks a W3 professor at the Chair of Database and Information Systems. The department is (co-)hosting the dblp computer science bibliography.
For more information, please see the official job posting (in German only).
- 2015-03-31: dblp mourns the loss of Klaus Tschira
With great sadness we must report the death of Klaus Tschira, a great patron and sponsor of science and strong supporter of dblp and Schloss Dagstuhl.
- 2015-03-03: Monthly snapshot releases
The dblp data set (found at dblp.dagstuhl.de/xml/) is studied or used as a benchmark in many scientific publications. However, due to the daily updates to dblp, it can be sometimes difficult to reproduce experimental results made on earlier versions. To remedy this problem, starting from today, dblp will provide and archive stable monthly snapshot releases of the dblp data set. We encourage you to use these snapshot releases for your experiments and to cite their persistent URLs in published articles to. You can find the archived dblp data snapshots at dblp.dagstuhl.de/xml/release/.
- 2014-11-24: dblp reaches new milestones
Since the last weekend, the dblp computer science bibliography lists more than 2.8 million publications . See also more statistics about dblp.
- 2014-11-17: dblp usage statistics
We often receive questions like "How many users are using dblp?" or "How many hits do you get per day?" While we do not have a live statistic for these questions like the one we have for our data stock (yet) we can of course share the usage statistics we learn from our web server's log files.
There are three "official" dblp servers which are updated and synchronized on a daily basis:
- server Trier 1: http://informatik.uni-trier.de/~ley/db
- server Trier 2: http://dblp.uni-trier.de/
- server Dagstuhl: http://dblp.dagstuhl.de/
These servers do show a very different rate of usage, with Trier 1 being the by far most widely known URL. This is of course due to the fact that server Trier 1 is ranked so highly by Google. Server Trier 1 is currently still hosting the old dblp web system, while servers Trier 2 and Dagstuhl are already hosting a beta version of the brand new web system. (A full update to the new web system is scheduled for early 2015.)
The following figures have been collected during October 2014. These figures ignore the traffic caused by known bots and crawlers.
Average number of user sessions (visits) per day on server ...
- Trier 1: 27,194 sessions
- Trier 2: 4,653 sessions
- Dagstuhl: 602 sessions
Average number of page views per day on server ...
- Trier 1: 192,972 pages
- Trier 2: 53,701 pages
- Dagstuhl: 16,638 pages
Average number of page views per user session on server ...
- Trier 1: 7.1 pages per session
- Trier 2: 11.5 pages per session
- Dagstuhl: 27.6 pages per session
Total number of distinct users (i.e., IPs) in October 2014 on server ...
- Trier 1: 430,890 IPs
- Trier 2: 74,818 IPs
- Dagstuhl: 6,782 IPs
Total amount of data served in October 2014 (in parenthesis: including bots) on server ...
- Trier 1: 999.1 GB (4,166.2 GB)
- Trier 2: 220.7 GB ( 397.5 GB)
- Dagstuhl: 26.8 GB ( 36.3 GB)
You may download the raw dblp data in a single XML file. A simple DTD is available. The paper DBLP - Some Lessons Learned documents technical details of this XML file. In the appendix DBLP XML Requests you may find the description of a primitive dblp query API. The data is released under the ODC-BY 1.0 license.