June 2, 2009

Michael Ley on Digital Bibliographies

Michael Ley

Michael Ley is visiting Manchester this week, he will be doing a seminar on Wednesday 3rd June, here are some details for anyone who is interested in attending:

Date: 3rd Jun 2009

Title: DBLP: How the data get in

Speaker: Dr Michael Ley. University of Trier, Germany

Time & Location: 14:15, Lecture Theatre 1.4, Kilburn Building

Abstract: The DBLP (Digital Bibliography & Library Project) Computer Science Bibliography now includes more than 1.2 million bibliographic records. For Computer Science researchers the DBLP web site now is a popular tool to trace the work of colleagues and to retrieve bibliographic details when composing the lists of references for new papers. Ranking and profiling of persons, institutions, journals, or conferences is another usage of DBLP. Many scientists are aware of this and want their publications being listed as complete as possible.

The talk focuses on the data acquisition workflow for DBLP. To get ‘clean’ basic bibliographic information for scientific publications remains a chaotic puzzle.

Large publishers are either not interested to cooperate with open services like DBLP, or their policy is very inconsistent. In most cases they are not able or not willing to deliver basic data required for DBLP in a direct way, but they encourage us to crawl their Web sites. This indirection has two main problems:

  1. The organisation and appearance of Web sites changes from time to time, this forces a reimplementation of information extraction scripts. [1]
  2. In many cases manual steps are necessary to get ‘complete’ bibliographic information.

For many small information sources it is not worthwhile to develop information extraction scripts. Data acquisition is done manually. There is an amazing variety of small but interesting journals, conferences and workshops in Computer Science which are not under the umbrella of ACM, IEEE, Springer, Elsevier etc. How they get it often is decided very pragmatically.

The goal of the talk and my visit to Manchester is to start a discussion process: The EasyChair conference management system developed by Andrei Voronkov and DBLP are parts of scientific publication workflow. They should be connected for mutual benefit?


  1. Lincoln Stein (2002). Creating a bioinformatics nation: screen scraping is torture Nature, 417 (6885), 119-120 DOI: 10.1038/417119a

October 31, 2008

Defrosting the Digital Library

Bibliographic Tools for the Next Generation Web

Sunset Ice Sculptures by Mark K.We started writing this paper [1] over a year ago, so it’s great to see it finally published today. Here is the abstract:

“Many scientists now manage the bulk of their bibliographic information electronically, thereby organizing their publications and citation material from digital libraries. However, a library has been described as “thought in cold storage,” and unfortunately many digital libraries can be cold, impersonal, isolated, and inaccessible places. In this Review, we discuss the current chilly state of digital libraries for the computational biologist, including PubMed, IEEE Xplore, the ACM digital library, ISI Web of Knowledge, Scopus, Citeseer, arXiv, DBLP, and Google Scholar. We illustrate the current process of using these libraries with a typical workflow, and highlight problems with managing data and metadata using URIs. We then examine a range of new applications such as Zotero, Mendeley, Mekentosj Papers, MyNCBI, CiteULike, Connotea, and HubMed that exploit the Web to make these digital libraries more personal, sociable, integrated, and accessible places. We conclude with how these applications may begin to help achieve a digital defrost, and discuss some of the issues that will help or hinder this in terms of making libraries on the Web warmer places in the future, becoming resources that are considerably more useful to both humans and machines.”

Biotechnology and Biological Sciences Research CouncilThanks to Kevin Emamy, Richard Cameron, Martin Flack, and Ian Mulvany for answering questions on the CiteULike and Connotea mailing lists; and Greg Tyrelle for ongoing discussion about metadata and the semantic Web nodalpoint.org. Also thanks to Timo Hannay and Tim O’Reilly for an invitation to scifoo, where some of the issues described in this publication were discussed. Last but not least, thanks to Douglas Kell and Steve Pettifer for helping me write it and the BBSRC for funding it (grant code BB/E004431/1 REFINE project). We hope it is a useful review, and that you enjoy reading it as much as we enjoyed writing it.


  1. Duncan Hull, Steve Pettifer and Douglas B. Kell (2008). Defrosting the digital library: Bibliographic tools for the next generation web. PLoS Computational Biology, 4(10):e1000204+. DOI:10.1371/journal.pcbi.1000204, pmid:18974831, pmcid:2568856, citeulike:3467077
  2. Also mentioned (in no particular order) by NCESS, Wowter, Twine, Stephen Abram, Rod Page, Digital Koans, Twitter, Bora Zivkovic, Digg, reddit, Library Intelligencer, OpenHelix, Delicious, friendfeed, Dr. Shock, GribbleLab, Nature Blogs, Ben Good, Rafael Sidi, Scholarship 2.0, Subio, up2date, SecondBrain, Hubmed, BusinessExchange, CiteGeist, Connotea and Google

[Sunrise Ice Sculptures picture from Mark K.]

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