Mittwoch, 7. Juli 2010

[HIForum] [Kolloquium] Vortrag am 12.7.10 - Prof. Stefan Wermter

Einladung zum

Informatischen Kolloquium Hamburg


Montag, 12. Juli 2010
um 17:15 Uhr
Vogt-Kölln-Straße 30
Konrad-Zuse-Hörsaal
Gebäude B


Prof. Dr. Stefan Wermter
Dept. Informatik / WTM
Universität Hamburg


*Neural Symbolic Knowledge Technologies*

Abstract:
There has been substantial interest and progress in intelligent systems and knowledge technologies in recent years based on new biomimetic processing principles for integrated knowledge-based systems. While in the past knowledge representation technologies have focused on powerful but complex inference systems, new generations of hybrid systems focus on the combination of symbolic reasoning with statistical or neural representations. While in the past robots were successful in traditional industrial environments, new generations of hybrid intelligent agents and robotic systems are being developed which focus on higher cognitive capabilities, including reasoning, learning and language communication.

In this talk we study the potential of nature-inspired, in particular hybrid neural and symbolic representations, in order to build new adaptive knowledge-based systems, learning ambient intelligence systems, multimodal neural agents, self organizing knowledge discovery systems and human robot interaction systems. We will give an overview of learning neural symbolic knowledge technologies and robots from a perspective of integrative hybrid intelligent systems. We illustrate some new developments including also examples under development in the new Knowledge Technology lab
http://www.informatik.uni-hamburg.de/WTM


Kontakt: Prof. Dr. Christopher Habel
habel@informatik.uni-hamburg.de, Tel. 42883-2417

---------------------------------------------------------------

Termine unter: http://www.informatik.uni-hamburg.de/Info/Kolloquium/


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Donnerstag, 1. Juli 2010

[HIForum] HIForum News 6/2010

Liebe Mitglieder,

wir möchten Sie / Euch auf einige Termine vor den Sommerferien hinweisen:

5. Juli 2010 Verleihung des Frauenförderpreises der Uni Hamburg an "Anna Logica"

Der Frauenförderpreis der Uni Hamburg 2010 geht an das unter dem Namen "Anna Logica" bekannte Frauenförderprogramm der Fakultät Mathematik, Informatik, Naturwissenschaften. Geehrt werden damit die beiden Preisträgerinnen Dr. Steffi Beckhaus, Juniorprofessorin für interaktive Medien und virtuelle Umgebungen und Angela Schwabl, Gleichstellungsbeauftragte des Fachbereichs Informatik.
Zu feierlichen Verleihung des Frauenförderpreises 2010 laden der Präsident Prof. Dr. Dieter Lenzen und die Gleichstellungsbeauftragte der Universität Prof. Dr. Monika Bullinger am 5. Juli 2010 ab 17.30 Uhr in das Gästehaus der Universität, Rothenbaumchaussee 34, 20148 Hamburg, ein. http://www.min.uni-hamburg.de/news/news.html

Neben toller Musik von den coolen Streichern http://www.coolestreicher.de/ gibt es bei einem kleinen Empfang nach Reden und Musik sehr spezielles Popcorn http://www.kates-popcorn.de/ und natürlich Prosecco!
Wer also schon immer mal den neuen Universitätspräsidenten erleben wollte (und das recht nah und in kleinem Rahmen) und wer auf Popcorn steht und wer Steffi Beckhaus, Anna Logica und Angela Schwabl hoch leben lassen will, der ist herzlich eingeladen!

Natürlich können Sie / könnt Ihr auch etwas zum weiteren Erfolg von Anna Logica beitragen:
Im Anna Logica Frauencafe gibt es einen Jour fixe, zu dem jeweils eine Frau, Informatikerin, die bereits oder schon länger im Beruf ist, eingeladen wird. Die Studentinnen haben so Gelegenheit, Kontakte zur Berufswelt zu knüpfen und Informationen auszutauschen. Dafür suchen Dr. Steffi Beckhaus und Angela Schwabl weitere Diplom-Informatikerinnen, die sich gerne zu einem solchen Termin einladen lassen möchten.

7. 7.2010 ab 16:00 Uhr Feierliche Semesterverabschiedung im Konrad-Zuse-Hörsaal auf dem Informatik-Campus in Stellingen

7.7.2010 ab 17:00 Uhr Sommerfest des Departments Informatik
Diesmal feiern wir mit Beachclub und mit tollen Überraschungen! Alle Gäste sind herzlich willkommen! Und es sieht ja so aus, als ob das Wetter durchhalten wird.
Department Informatik der Universität Hamburg, Vogt-Kölln-Str. 30, 22527 Hamburg

Vielleicht sogar mit Public Viewing FIFA WM Halbfinale im Konrad-Zuse-Hörsall :-)

Wir danken außerdem unserem Mitglied Dipl.-Inf. Kevin Schütt (Schütt Optik GmbH) für das Sponsoring. Besucht doch mal die neue Home-Page des Unternehmens unter www.schuett-optik.de

Treffen mit den Nomaden
Am 29.06.2010 haben Kevin Schütt und Michael Schudy an einem der wöchentlichen Treffen der Nomaden http://www.nomaden.org/ teilgenommen. Konkretes Ergebnis: Wir werden noch in diesem Sommer den HIForum Stammtisch einmal mit den Nomaden zusammenlegen.

Wir wünschen Ihnen / Euch einen guten Start in die Ferienzeit, einen wunderschönen Sommer und, wir sehen uns - in der nächsten Woche.

Mit besten Grüßen
Michael Schudy, Horst Oberquelle, Dirk Martinssen

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Dienstag, 22. Juni 2010

[HIForum] [Kolloquium] Vortrag am 28.6.10 - Prof. Dr. Stephan Olbrich

Einladung zum

Informatischen Kolloquium Hamburg


Montag, 28. Juni 2010
um 17:15 Uhr
Vogt-Kölln-Straße 30
Konrad-Zuse-Hörsaal
Gebäude B

Prof. Dr.-Ing. Stephan Olbrich
Universität Hamburg
Direktor des Regionalen Rechenzentrums


*Scalable In-Situ Data Extraction and Distributed Visualization*

Abstract:

In the last few years, the data analysis and visualization aspect has dramatically gained in importance, since this part of the complete process chain is much more difficult to scale than the numerical cores of simulation models. 3D presentation of results of scientific computing - especially taking advantage of highly interactive virtual reality environments - has become feasible using low-cost equipment such as 3D monitors or TV sets and advanced 3D graphics cards, where the development was driven from the consumer market. In computational fluid dynamics typically 3D grids consisting of up to 1011 data points on 4000 cores can be simulated, which results in a non-stationary scenario (~104 time steps) in ~10 Petabyte raw result data. Since such an amount of data cannot be transferred or stored or explored using traditional approaches of separate post-processing, one topic of world-wide research is the development of tools to integrate data extraction in the simulation software, so-called "in-situ data extraction", and to take advantage of distributed systems for remote visualization.

We have developed a visualization middleware, which implements parallel in-situ data extraction by providing a programming library in order to minimize the sequential bottlenecks by parallelization of visualization mapping methods and to reduce the data volume by storing polygons and lines instead of raw data. Supporting synchronous, on-demand 3D presentation and interaction scenarios under bandwidth and rendering performance constraints, and nevertheless limiting the frame update time to get interactive rates, requires flexible and efficient reduction and post-filtering techniques. For this purpose, our data extraction library supports MPI-based computing environments and encapsulates a parallel implementation of vertex cluster based simplified isosurfaces, and parallel extraction of property-enhanced pathlines. These pathlines can be interactively post-filtered as part of a specialized, so-called "3D streaming server", which combines storage, filtering, and play-out of sequences of 3D scenes as a 3D movie, which can be navigated in real-time.

Kontakt: Prof. Dr. Christopher Habel
habel@informatik.uni-hamburg.de, Tel. 42883-2417

---------------------------------------------------------------

Termine unter: http://www.informatik.uni-hamburg.de/Info/Kolloquium/


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Dienstag, 15. Juni 2010

[HIForum] [Kolloquium] Vortrag am 21.6.10 - Prof. Dr. J. Hertzberg

Einladung zum

Informatischen Kolloquium Hamburg


Montag, 21. Juni 2010
um 17 Uhr c.t.
Vogt-Kölln-Straße 30
Konrad-Zuse-Hörsaal
Gebäude B

Prof. Dr. Joachim Hertzberg
Universität Osnabrück
Institut für Informatik

*On Affordances and Plan-Based Robot Control*

Affordances as of psychologist J.J. Gibson keep surfacing in the
robotics literature as an approach or a metaphor for modeling the
essential real-time coupling between the steady flow of sensor data
and action control. Affordances in Gibson's sense are possibilities of
action for an agent that the agent is able to perceive directly in its
environment. Their usage in the robotics literature is correlated with
reactive or behavior-based control and with learning approaches on a
relatively low level of sensor and actuator data.

In our work, we assume that the action part of an affordance is
implemented on a robot as a closed-loop control routine -- this is
much in a Gibsonian spirit. Much against Gibson's ideas, we also
assume that affordances may be represented and reasoned about, and
perceived affordance tokens may be stored in a map. Moreover, an
aspect of affordance representations is that the afforded action may
be cast into an action description that is part of the action
repertoire of some classical planning domain description -- here,
Gibson would strongly object. However, in that way actions expected to
be afforded in some region of the environment may be put into symbolic
action plans and made a robust part of plan-based robot control. The
talk will explain the basic ideas, present some demo examples and
experiments of its usage, and discuss the potential of the approach.


Kontakt: Prof. Dr. Jianwei Zhang
zhang@informatik.uni-hamburg.de, Tel. 42883-2431


---------------------------------------------------------------

Termine unter: http://www.informatik.uni-hamburg.de/Info/Kolloquium/


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Mittwoch, 2. Juni 2010

[HIForum] [Kolloquium] am 7.6.10 - JProf. Dr. Pia Knoeferle

Einladung zum

Informatischen Kolloquium Hamburg


Montag, 7. Juni 2010
um 17 Uhr c.t.
Vogt-Kölln-Straße 30
Konrad-Zuse-Hörsaal
Gebäude B


J.Prof. Dr. Pia Knoeferle
CITEC (Cognitive Interaction Technology, Center of Excellence)
Universität Bielefeld

*Visual context influences on online language comprehension: individual and time course differences*

Existing studies have shown that visual context information can rapidly influence sentence comprehension in real time. And yet, many aspects relating to the time course of its influence on comprehension are little studied. Results from a first event-related brain potential (ERPs) experiment contribute towards re-establishing picture-sentence verification - discredited possibly for its over-reliance on post- sentence response time (RT) measures - as a task for situated comprehension. Employing this paradigm, I will then report ERP results that suggest there is no one-size-fits-all of visual context effects. Rather, the time course of visual context effects differs as a function of participants' working memory resources and as a function of which aspects of a scene mismatch sentence input.


Kontakt: Prof. Dr. Christopher Habel
habel@informatik.uni-hamburg.de, Tel. 42883-2417


---------------------------------------------------------------

Termine unter: http://www.informatik.uni-hamburg.de/Info/Kolloquium/


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