Informal Research Meeting with RWTH Aachen

31 08 2008

I’d like to point you to an informal research meeting taking place on Sep 2 at the Inffeldcampus of TU Graz – please see the agenda below. In case you are interested in the topics of the talks, you are warmly invited to attend.

Informal Research Meeting: Tue Sep 2 2008
Inffeldgasse 16c, Seminarraum IICM (IDEG134), Erdgeschoss

09:00 – 09:30 Opening

09:30 – 10:10 Overview of research activities R. Klamma (RWTH Aachen)
Ralf Klamma’s Blog & Website

10:10 – 10:40 Student presentations 1 (15min Pres + 15min Disc)
Yiwei Cao
“Dimensions of tagging on the Web 2.0”

10:40 – 11:00 Break

11:00 – 11:30 Student presentations 2 (15min Pres + 15min Disc)
Anna Glukhova
“Traceable cooperative requirements engineering for communities of

11:30 – 12:00 Student presentations 3 (15min Pres + 15min Disc)
Zina Petrushyna
“Web emotional intelligence”

12:00 – 12:45
Overview of research activities M. Strohmaier’s group (slides)
Markus Strohmaier

13:00 – 15:00
Lunch Break

15:00 – 15:30
Student Presentations 1 (15min Pres + 15min Disc)
Mark Kröll “Human Goal Classification of Natural Language Text” (slides)

15:30 – 16:00
Student Presentations 2 (15min Pres + 15min Disc)
Christian Körner “Constructing Large Scale Goal Graphs from Search Query Logs” (slides, link to demo)

16:00 – 16:15
Student Presentations 3 (7,5min Pres + 7,5min Disc)
Maida Osmic “Problem Statement: A Social Goal-Recommender System” (slides not available)

16:15 – 16:45
Student Presentations 4 (15min Pres + 15min Disc)
Monika Schubert “Network Analysis of Software Repositories: The Eclipse Bugzilla Case” (slides)

16:45 – 17:05

17:05 – 18:30
Discussion and closing

19:30 – Informal social event

43things Vision + GeoSearch

24 08 2008

My research group focuses on studying and analyzing the goals that users have on their web (also see my previous post on constructing goal graphs from To motivate some aspects of this topic in an upcoming talk, I have experimented with Yahoo Pipes. My intention was to visualize (some of) the goals users have on the web in an interactive and engaging way. Plus, I wanted to learn about Yahoo Pipes, which appears to be a powerful tool to quickly mash up information from different feeds/APIs.

The outcome of this endeavor are two modest mash-up attempts using Yahoo Pipes, and the API and RSS feeds.

Screenshot of the 43things Geo-Search mash-up (Yahoo Pipes)

Screenshot of the 43things Geo-Search mash-up (Yahoo Pipes)

43things Vision shows a configurable number of goals that were recently added to (using this RSS feed) – and puts them on a map. Because goals can only be related to a particular location via users, and newly added goals typically have few users, a major problem of this mashup is that a certain share of goals can not be mapped (that means a certain share of goals can not be related to a user who provides geo-information). This is where 43things GeoSearch comes in.

43things GeoSearch allows to query all goals on, and ranks the result list according to goal popularity (number of users who share this goal). This produces much nicer results.


(I might post a link to the talk where I used this demonstration at a later point.) The slides are available here.