ECML/PKDD Discovery Challenge

Since we're organising this year's Discovery Challenge, we would like to announce the




Call for Participation

ECML/PKDD Discovery Challenge

Antwerp, Belgium, 15 Sept. 2008

This year's discovery challenge deals with two tasks in the area of social bookmarking. One task covers spam detection and the other is about tag recommendations. The dataset the challenge is based on is a snapshot of BibSonomy. More details about the tasks can be found at the challenge website.

Important dates

May 5, 2008

Tasks and datasets available online.

July 30th, 2008

Test dataset will be released (by midnight CEST).

August 1st, 2008

Result submission deadline (by midnight CEST).

August 4th, 2008

Workshop paper submission deadline.

August 8th 2008

Notification of winners, publication of results on webpage, notification of paper acceptance.

August 14th, 2008

Workshop proceedings (camera-ready) deadline.

September 15/19th, 2008

ECML/PKDD 2008 Workshop

Feature of the Week: Shared (PDF) document management with BibSonomy

When managing a literature database, often people want to store a full-text copy (e.g., a PDF document) of a publication in addition to its metadata (i.e., BibTex entry). To enable an easy access from everywhere to these documents, BibSonomy allows to upload a private PDF or postscript copy for each post via the post details page, e.g. for my case:

http://www.bibsonomy.org/bibtex/283b2de310e014240257ea3ee774213aa/dbenz

(Please note that only the owner of the entry can upload such a file). In the past, BibSonomy has treated these files as private only, i.e, they were only available for download to the owner himself. After several inquiries, we have opened up this restriction to groups: It is now possible to easily share PDF documents within your research colleagues. By default, when you are logged in as a group member (e.g. of the group kde), then you see a little document icon on the group page next to those entries for which any group member has uploaded a document:

http://www.bibsonomy.org/group/kde


(Please note again that you can only see the attached documents when you are a member of group kde.) You can disable this feature by appending ?showPDF=false to the URL. If you would like to restrict your view to only those documents with an attached document, use:

http://www.bibsonomy.org/group/kde?filter=myGroupPDF

Apart from that, your own documents are also accessible via your personal user page (you need to be logged in for that):

http://www.bibsonomy.org/user/dbenz
displays your own entries, along with document icons, if available

http://www.bibsonomy.org/user/dbenz?filter=myPDF
displays only those entries out of your collection which have a document attached

We think that this feature contributes to the usefulness of BibSonomy as a complete collaborative literature database tool for research groups! If you have suggestions how this can be improved, we'd be glad to hear from you.

Best,
Dominik

Feature of the Week: Similiar Tags

Since this week tag pages in BibSonomy like /tag/ontology also show similiar tags. They're located below the related tags we provide on each tag page in the sidebar. You can use similiar tags for navigation when you're looking for posts related to a certain tag which might have been tagged with not the same but other, similiar tags.

More information on similiar tags can be found in the FAQ and in the online help.

Feature of the week: GoogleSonomy - A Firefox addon to enhance your BibSonomy Search

GoogleSonomy is the name of our new Firefox extension. As you can see in the screenshot below it shows you BibSonomy search results along your Google search. You can retrieve four different lists of BibSonomy posts for a google query. Those are tag and fulltext search, each on a global or a user base.



In the settings dialog you can specify which lists you want to retrieve and how many entries should be displayed each time. Furthermore you can set your BibSonomy user name and choose a default search mode.



To obtain this extension visit Mozillas Addon Page. Unfortunately you need to be a registered user to install GoogleSonomy because it is like any other new firefox extension in an experimental state. Only with some reviews from users we can achieve our aim to get this extension in the public download area of Mozillas download page. So we would appreciate your effort.

If you want to save pains just use this link to install GoogleSonomy in your Firefox web browser.

If you have suggestions how to improve GoogleSonomy or if you found any bugs, please let us know.

Best,
Stefan

Feature of the Week: Integration into your WordPress blog

Bloggers who are using WordPress may be interested in a plugin that helps them not only to integrate data from BibSonomy into posts and ordinary pages but (almost) automatically publish their posts on BibSonomy.

Once you've installed the plugin, go to Settings - BibSonomy and at least enter your username and API key. Then test your setup with a click on Show posts, select a post and submit it with a click on Post selection - your post will appear as a new bookmark on BibSonomy.

While it's a really nice thing to have your blog posts synchronized with BibSonomy another powerful feature is to integrate your bookmarks, publications or tags into your content. Publishing your tag cloud from BibSonomy boils down to this simple shortcode: [bibsonomy-tags]. More complex requests like retrieving the three most recent publications that are tagged with folksonomy is possible too: [bibsonomy-posts resourceType="bibtex" tags="folksonomy" end="3"]. Have a look at more examples.

From a developers point of view this plugin is powered by an implementation of BibSonomy's webservice in PHP. If you want to build something on top of that, you can download the API here. We're really interested in your feedback, so don't hesitate to write us about your experience.

Making BibSonomy integration smoother: New features for the University of Cologne's library users

The idea of BibSonomy (and other social bookmarking systems) is to allow users to manage their references, but also to provide a facility to browse interesting content. This property makes social bookmarking systems interesting to digital library users. Offering a functionality to export a library's metadata into BibSonomy allows the library's users to collect metadata from their (probably different) local libraries, to describe their resources and to share the information on a wider basis than just with other local library users.

The library of the University of Cologne (KUG) is promoting the idea of integrating libraries with user-created bookmarking systems. They already offer tagging services for their local entries.
Recently, they enhanced their service by integrating the tagging information into BibSonomy and providing BibSonomy information to their users. Two major features have been implemented to realize this:

* a browser for BibSonomy sources
* a mirrow of tagging activities

An example is given with the following link:
http://kug5.ub.uni-koeln.de/portal/connector/permalink/inst006/6439/1/inst006/index.html

The main feature, storing the metadata in BibSonomy is still provided with a simple link to the BibSonomy publication metadata interface where you can add tags and cross-check the reference data fields. Additionally, the KUG page shows related tags to a resource in the right menu bar. If you click on one of those tags, you can browse further publications and bookmarks related to the clicked tag. The related resources are either retrieved from the library or from
BibSonomy. This allows users to view a broader set of resources than only the library's entries without having to switch to the BibSonomy interface. Shortly, the mirrow feature will be activated. If users then add keywords to a resource in the KUG interface, the keywords will be automatically added to their BibSonomy entries. If the title did not exist in the user's BibSonomy resource list, it is stored automatically. Thus, the user's local collection is maintained automatically in the social bookmarking system.

The integration of the library's web application with BibSonomy is based on our API.
A more detailed description of the new feature is provided here.

Thanks to the OpenBib team for developing this functionality!

Beate

Feature of the week: Updated JSON feed

In one of our last posts, we announced the availability of a JSON feed in BibSonomy. It was meant as a lightweight way to get tag clouds for publications only. Since popularity of JSON increased and we got requests to include feeds for other pages as well, we decided to implement JSON feeds for all pages. Those feeds are now available!

For every BibSonomy page you can get a JSON feed of it by prepending json/ to the path part of the URL, e.g., to get the JSON feed for http://www.bibsonomy.org/tag/json, use the page http://www.bibsonomy.org/json/tag/json.
This returns you an Exhibit compatible JSON feed which includes all bookmark and publication posts of the respective page. To include the JSON feed into your Exhibit, add a link to it into the header of your Exhibit HTML code:

<link href="http://www.bibsonomy.org/tag/json?callback=cb" 
type="application/jsonp" 
rel="exhibit/data" 
ex:jsonp-callback="cb" 
/>

Have a look at the list of Andreas' publications to see, what is possible using JSON and Exhibit with only some lines of HTML!

Users of our existing JSON feed should note that the format changed slightly to adopt it to Exhibit's conventions:

• The tags are now contained in the list with key items and not tags.
• The name of the tag is expressed using the key label and not name.
• There are two more lists (types and properties) to allow easier Exhibit integration.

We've already updated the available tag cloud script to fit to the new layout.