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dblp computer science bibliography
dblp computer science bibliography

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2016-05-13: dblp.org and CompleteSearch integration

For almost ten years now, the CompleteSearch interface has provided fast and convenient access to all of the metadata collected by dblp. Features like faceted search and fast search as you type made it a valuable asset to the computer science community. Since 2011, the service has been available under the easily memorizable domain dblp.org. With today's update of the dblp web system, the final stage of the integration of the CompleteSearch capabilities and its convenient search interface has concluded, and CompleteSearch is now an integral part of the dblp web system. At the same time, the domain dblp.org will now point directly to the dblp main site. This domain will play a more prominent role in the future URL and ID schemes of dblp.

The CompleteSearch engine and search interface has been developed and maintained by Hannah Bast (formerly at the Max Planck Institute for Informatics in Saarbrücken, now at the University of Freiburg, Germany). Although operated independently from the main dblp web site, the development of the search interface has always been in consultation with the dblp team. The layout of both web sites had been unified, and a preview of CompleteSearch's facets had been part of the classic dblp author pages. The interface provided a lot of search features that the rather basic search of the dblp site in Trier had been lacking (like an extremely fast and responsive search interface, searching by facets, search as you type, Boolean operators for complex queries, and more), and quickly became the community's first choice when searching publications within dblp.

With the overhaul of the dblp web system (which started about two years ago), the features of the old CompleteSearch interface have been integrated step by step into the dblp web systems hosted in Trier and Dagstuhl. This has been made possible by local back-end instances of the CompleteSearch engine that are now powering all of the search, filter, and browsing capabilities of the dblp web pages. With today's update, all major features of the interface have been integrated, as well as the former URL.

This does -- of course -- not mean that the search interface won't see further improvements and updates in the future. After all, dblp is a project that is continuously adapting and evolving. The improvement of the search engine's front end and back end will remain a collaboration between the dblp team in Trier and Hannah Bast's research group in Freiburg.

At the same time, today's update also means that the "modern-style" dblp web page layout is now established as standard for all aspects of the dblp web site, and that the old "classic-style" layout which is currently still available at some of the dblp pages will fade out with future updates.

For dblp, it is of utmost importance that every update improves the user experience and the utility of dblp for you (the computer scientists) in your daily work. Although any major update runs the risk of breaking existing features or disrupting established work habits, please be assured that this is never made intentionally. Hence, if you feel that an important feature of the old interface is missing, or if you encounter any problems when using the new search pages, please contact us under dblp-website@dagstuhl.de.

http://dblp.org/

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3 millionen publications

We are happy to announce that on Thursday, June 18, 2015, the dblp computer science bibliography indexed its 3-millionth publication (see http://dblp.dagstuhl.de/statistics/recordsindblp.html). Thanks to the joint effort of the University of Trier and Schloss Dagstuhl, as well as the commitment and help of our dedicated users and data partners, dblp has grown to be the world's most comprehensive open bibliographic data service in computer science. And the service is still growing strong: In each of the past three years, more than 325.000 new publications (see http://dblp.dagstuhl.de/statistics/newrecordsperyear.html) have been added to the database.

Every month, more than 450.000 distinct users visit the dblp web pages. On average, five dblp pages are viewed per second, and every three seconds a new user session is started. The dblp team understands this ever-growing demand as an incentive to keep consolidating and improving our service.

dblp was built for the computer science research community. It is your tool, and we want it to meet your specific needs, e.g., when you are searching for articles, looking for bibliographic data, or browsing authors and publication venues of computer science. So if you have any ideas or suggestions about how we can improve the utility of dblp for your daily work, please let us know! (see http://dblp.dagstuhl.de/db/about/team.html)

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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 (see http://dblp.dagstuhl.de), 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 (see http://www.dagstuhl.de/en/about-dagstuhl/projects/author-disambiguation/), 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 (see http://www.dagstuhl.de/en/about-dagstuhl/news/detail/meldung/556/).

Yesterday, the 1.5 millionth author has been added to the dblp computer science bibliography. See also more statistics about dblp at http://dblp.dagstuhl.de/statistics

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Since the last weekend, the dblp computer science bibliography lists more than 2.8 million publications . See also http://dblp.dagstuhl.de/statistics/ for more statistics about dblp.

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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)

(http://dblp.dagstuhl.de/news/2014.html#news-9109967)

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For fans of funny figures: dblp just passed the 2,777,777 publications milestone :) dblp.dagstuhl.de dblp.uni-trier.de #dblp

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dblp now indexes over 2.7 million computer science publications. For an overview of the development of the dblp data set, have a look at our statistics pages (http://dblp.dagstuhl.de/statistics/recordsindblp.html).

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Harold Vincent Poor, dean of the School of Engineering and Applied Science at Princeton University, is the first person to reach 1000 records in dblp. The 1000th record has been reached with the addition of the latest issue of the IEEE Transactions on Signal Processing to dblp.

http://dblp.dagstuhl.de/pers/hd/p/Poor:H=_Vincent
http://dblp.dagstuhl.de/db/journals/tsp/tsp62.html#TsaiP14

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Due to server problems, http://dblp.uni-trier.de has been offline yesterday and should be now back online again. If further problems come up, please use http://dblp.dagstuhl.de  or http://www.informatik.uni-trier.de/~ley/db  #dblp
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