Lectures / Seminars

Learning from data streams in theory and practice

Data capture and networking advances have increased the availability of continually arriving real-time information in a variety of settings, ranging from the digital economy to the internet of things. Learning (in the statistical sense of parameter estimation and inference) on data streams has two unique constraints. First, its memory footprint needs to be constant over time, and often very light. Second. it is expected that real-time phenomena tend to change over time, often in unpredictable ways, so that models must assume a dynamic, evolving process.

Computer Science and Engineering Research at the University of North Texas

The University of North Texas Department of Computer Science and Engineering has research programs in algorithms and computational science, computer security, computer systems and networks, databases and data mining, intelligent systems, and software engineering. This talk will overview these areas and discuss the collaborative Ph. D. program between UNT CSE and Demokritos.

3 & 5 of June: Lecture about "Data Journalism" at the Department of Communication and Media Studies

Two lectures with the title "Journalism, data and lies" was given by Dr George Giannakopoulos of SKEL in the context of the course "Design and development of digital media and multi-media" at the Department of Communication and Media Studies of the National and Kapodistrian University of Athens, on June 3 & 5.

Εκπαιδευτικά σεμινάρια Smart Camp Ιούλιος 2015

Μάθηση , δημιουργικότητα, πληροφορική!

Για 2η συνεχή χρονιά το Εργαστήριο Ολοκληρωμένων Συστημάτων του Ινστιτούτου Πληροφορικής και Τηλεπικοινωνιών του ΕΚΕΦΕ Δημόκριτος διοργανώνει τα εκπαιδευτικά σεμινάρια SMART CAMP. Δύο κύκλοι εργαστηρίων με θέμα τις Ψηφιακές Τέχνες και τη Ρομποτική διάρκειας μιας εβδομάδας το καθένα, που θα πραγματοποιηθούν από τις 6-17 Ιουλίου στα Αρσάκεια Σχολεία Ψυχικού.

The other IT from another Europe

Last week the EU parliament published a report that recommends investing in Free Software (aka opensource) to replace expensive proprietary software from the US and increase the technological independence of Europe. Such steps would also counter US/UK mass surveillance against European citizens, public institutions and companies. The report reads like an update of a previous report from July 2001 that also sought to achieve these goals.

Aligning natural language sentences using word similarity scores extracted from synonym graphs

Aligning natural language sentences is a vital step that is needed in order to justify entailment or contradiction between two texts. The goal of the alignment is, given two texts written in the same language, to conclude if two texts describe the same situation by comparing the correspondence of subsets of words between the two texts using similarity scores.

Agents and Expectations

This work discusses the role that expectations have in agent reasoning, and focuses on previous work on modelling and monitoring expectations with a complex temporal structure, and its application to expectation monitoring in virtual worlds. It also presents a proposal for a new extension of this work by integrating it with the event calculus to simplify the definition of institutions with actions that create expectations.

A 3D Perception-based Robotic Manipulation System for Automated Truck Unloading

In this talk I will present an autonomous robotic manipulation system that uses 3D vision processing algorithms to locate and unload cardboard boxes from floor-loaded shipping containers or semi-truck trailers. A key novel aspect of this system is the proposed 3D box detection algorithm as well as multiple box manipulation (or gripping) strategies that can be intelligently determined on the fly right after the box has been detected.

Semantics for disjunctive logic programs

In this talk I will present the main results of my PhD thesis. I will present different approaches to semantics for four logic programming languages, including model-theoretic and game semantics, with emphasis on how to deal with disjunctive logic programs, i.e., programs with rules that allow for disjunctions to appear in their heads.

PREFiguRE: a Performance, Power, and Reliability Framework for Disk Drives

Low disk drive utilization suggests that placing the drive into a power saving mode during idle times may decrease power consumption. I will present PREFiguRE, a robust framework that aims at harvesting future idle intervals for power savings while meeting strict quality constraints.

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