Lazaros Polymenakos

According to our database, Lazaros Polymenakos authored at least 76 papers between 1994 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2021

Case-based Reasoning for Natural Language Queries over Knowledge Bases.

Rajarshi Das, Manzil Zaheer, Dung Thai, Ameya Godbole, Ethan Perez, Jay Yoon Lee, Lizhen Tan, Lazaros Polymenakos, Andrew McCallum

Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, 2021

2020

Overview of the seventh Dialog System Technology Challenge: DSTC7.

Luis Fernando D'Haro, Koichiro Yoshino, Chiori Hori, Tim K. Marks, Lazaros Polymenakos, Jonathan K. Kummerfeld, Michel Galley, Xiang Gao

Comput. Speech Lang., 2020

Joint Turn and Dialogue level User Satisfaction Estimation on Multi-Domain Conversations.

Praveen Kumar Bodigutla, Aditya Tiwari, Josep Valls-Vargas, Lazaros Polymenakos, Spyros Matsoukas

CoRR, 2020

Data Augmentation for Training Dialog Models Robust to Speech Recognition Errors.

Longshaokan Wang, Maryam Fazel-Zarandi, Aditya Tiwari, Spyros Matsoukas, Lazaros Polymenakos

CoRR, 2020

Joint Turn and Dialogue level User Satisfaction Estimation on Mulit-Domain Conversations.

Praveen Kumar Bodigutla, Aditya Tiwari, Spyros Matsoukas, Josep Valls-Vargas, Lazaros Polymenakos

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

2019

Learning End-to-End Goal-Oriented Dialog with Maximal User Task Success and Minimal Human Agent Use.

Janarthanan Rajendran, Jatin Ganhotra, Lazaros C. Polymenakos

Trans. Assoc. Comput. Linguistics, 2019

Quantized Dialog - A general approach for conversational systems.

R. Chulaka Gunasekara, David Nahamoo, Lazaros C. Polymenakos, David Echeverría Ciaurri, Jatin Ganhotra, Kshitij P. Fadnis

Comput. Speech Lang., 2019

Multi-domain Conversation Quality Evaluation via User Satisfaction Estimation.

Praveen Kumar Bodigutla, Lazaros Polymenakos, Spyros Matsoukas

CoRR, 2019

Dialog System Technology Challenge 7.

Koichiro Yoshino, Chiori Hori, Julien Perez, Luis Fernando D'Haro, Lazaros Polymenakos, R. Chulaka Gunasekara, Walter S. Lasecki, Jonathan K. Kummerfeld, Michel Galley, Chris Brockett, Jianfeng Gao, Bill Dolan, Xiang Gao, Huda AlAmri, Tim K. Marks, Devi Parikh, Dhruv Batra

CoRR, 2019

NE-Table: A Neural key-value table for Named Entities.

Janarthanan Rajendran, Jatin Ganhotra, Xiaoxiao Guo, Mo Yu, Satinder Singh, Lazaros Polymenakos

Proceedings of the International Conference on Recent Advances in Natural Language Processing, 2019

A Large-Scale Corpus for Conversation Disentanglement.

Jonathan K. Kummerfeld, Sai R. Gouravajhala, Joseph Peper, Vignesh Athreya, R. Chulaka Gunasekara, Jatin Ganhotra, Siva Sankalp Patel, Lazaros C. Polymenakos, Walter S. Lasecki

Proceedings of the 57th Conference of the Association for Computational Linguistics, 2019

2018

Quantized-Dialog Language Model for Goal-Oriented Conversational Systems.

R. Chulaka Gunasekara, David Nahamoo, Lazaros C. Polymenakos, Jatin Ganhotra, Kshitij P. Fadnis

CoRR, 2018

Analyzing Assumptions in Conversation Disentanglement Research Through the Lens of a New Dataset and Model.

Jonathan K. Kummerfeld, Sai R. Gouravajhala, Joseph Peper, Vignesh Athreya, R. Chulaka Gunasekara, Jatin Ganhotra, Siva Sankalp Patel, Lazaros Polymenakos, Walter S. Lasecki

CoRR, 2018

Knowledge-based end-to-end memory networks.

Jatin Ganhotra, Lazaros Polymenakos

CoRR, 2018

A Unified Implicit Dialog Framework for Conversational Search.

Song Feng, R. Chulaka Gunasekara, Sunil Shashidhara, Kshitij P. Fadnis, Lazaros C. Polymenakos

CoRR, 2018

Learning End-to-End Goal-Oriented Dialog with Multiple Answers.

Janarthanan Rajendran, Jatin Ganhotra, Satinder Singh, Lazaros Polymenakos

Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing, Brussels, Belgium, October 31, 2018

Addressee and Response Selection in Multi-Party Conversations With Speaker Interaction RNNs.

Rui Zhang, Honglak Lee, Lazaros Polymenakos, Dragomir R. Radev

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

A Unified Implicit Dialog Framework for Conversational Commerce.

Song Feng, R. Chulaka Gunasekara, Sunil Shashidhara, Kshitij P. Fadnis, Lazaros C. Polymenakos

Proceedings of the Thirty-Second AAAI Conference on Artificial Intelligence, 2018

2013

Cascaded dynamic noise reduction utilizing VAD to improve residual suppression.

Theodoros Petsatodis, Christos Boukis, Fotios Talantzis, Lazaros Polymenakos

Proceedings of the 18th International Conference on Digital Signal Processing, 2013

2010

A modified Armijo rule for the online selection of learning rate of the LMS algorithm.

Christos Boukis, Danilo P. Mandic, Anthony G. Constantinides, Lazaros Polymenakos

Digit. Signal Process., 2010

Agent-based architectural framework enhancing configurability, autonomy and scalability of context-aware pervasive services.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos, Axel Bürkle, Uwe Pfirrmann, Gerhard Sutschet

Auton. Agents Multi Agent Syst., 2010

Computers in the Human Interaction Loop.

Alexander Waibel, Rainer Stiefelhagen, Rolf Carlson, Josep R. Casas, Jan Kleindienst, Lori Lamel, Oswald Lanz, Djamel Mostefa, Maurizio Omologo, Fabio Pianesi, Lazaros Polymenakos, Gerasimos Potamianos, John Soldatos, Gerhard Sutschet, Jacques M. B. Terken

Proceedings of the Handbook of Ambient Intelligence and Smart Environments, 2010

2009

The Memory Jog Service.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos, Janienke Sturm, Joachim Neumann, Josep R. Casas

Proceedings of the Computers in the Human Interaction Loop, 2009

Perceptual Component Data Models and APIs.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos, Jan Curín, Jan Kleindienst

Proceedings of the Computers in the Human Interaction Loop, 2009

Introduction.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos

Proceedings of the Computers in the Human Interaction Loop, 2009

Robust multimodal audio-visual processing for advanced context awareness in smart spaces.

Aristodemos Pnevmatikakis, John Soldatos, Fotios Talantzis, Lazaros Polymenakos

Pers. Ubiquitous Comput., 2009

Subclass linear discriminant analysis for video-based face recognition.

Aristodemos Pnevmatikakis, Lazaros Polymenakos

J. Vis. Commun. Image Represent., 2009

Facilitating human-centric service delivery using a pluggable service development framework.

Nikolaos Dimakis, Georgios Gkekas, Ghassan Karame, Theofilos Karachristos, Stamatis Tsolakidis, John Soldatos, Lazaros Polymenakos

Int. J. Ad Hoc Ubiquitous Comput., 2009

A formally specified ontology management API as a registry for ubiquitous computing systems.

Alexander Paar, Jürgen Reuter, John Soldatos, Kostas Stamatis, Lazaros Polymenakos

Appl. Intell., 2009

Ageing in a networked society: social inclusion and mental stimulation.

John A. Waterworth, Soledad Ballesteros, Christian Peter, Gerald Bieber, Andreas Kreiner, Andreas Wiratanaya, Lazaros Polymenakos, Sophia Wanche-Politis, Michele Capobianco, Igone Etxeberria, Louise Lundholm

Proceedings of the 2nd International Conference on Pervasive Technologies Related to Assistive Environments, 2009

2008

Integrated Development of Context-Aware Applications in Smart Spaces.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos, Pascal Fleury, Jan Curín, Jan Kleindienst

IEEE Pervasive Comput., 2008

Detecting Single-Actor Events in Video Streams for TRECVid 2008.

Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros Polymenakos, Nikos Katsarakis

Proceedings of the TRECVID 2008 workshop participants notebook papers, 2008

Using robust audio and video processing technologies to alleviate the elderly cognitive decline.

Vasileios Mylonakis, John Soldatos, Aristodemos Pnevmatikakis, Lazaros Polymenakos, Alexander Sorin, Hagai Aronowitz

Proceedings of the 1st ACM International Conference on Pervasive Technologies Related to Assistive Environments, 2008

2007

Ontology-based Management of Pervasive Systems.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos

Proceedings of the Emerging Artificial Intelligence Applications in Computer Engineering, 2007

A breadboard architecture for pervasive context-aware services in smart spaces: middleware components and prototype applications.

John Soldatos, Nikolaos Dimakis, Kostas Stamatis, Lazaros Polymenakos

Pers. Ubiquitous Comput., 2007

Semantic web technologies for ubiquitous computing resource management in smart spaces.

John Soldatos, Kostas Stamatis, Siamak Azodolmolky, Ippokratis Pandis, Lazaros Polymenakos

Int. J. Web Eng. Technol., 2007

Agent based middleware infrastructure for autonomous context-aware ubiquitous computing services.

John Soldatos, Ippokratis Pandis, Kostas Stamatis, Lazaros Polymenakos, James L. Crowley

Comput. Commun., 2007

Robustness of Non-Exact Multi-Channel Equalization in Reverberant Environments.

Fotios Talantzis, Lazaros C. Polymenakos

Proceedings of the Artificial Intelligence and Innovations 2007: from Theory to Applications, 2007

Combining Finite State Machines and LDA for Voice Activity Detection.

Elias Rentzeperis, Christos Boukis, Aristodemos Pnevmatikakis, Lazaros C. Polymenakos

Proceedings of the Artificial Intelligence and Innovations 2007: from Theory to Applications, 2007

An Agent-Based Framework for Context-Aware Services.

Axel Bürkle, Wilmuth Müller, Uwe Pfirrmann, Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos

Proceedings of the Universal Access in Human-Computer Interaction. Ambient Interaction, 2007

The AIT Multimodal Person Identification System for CLEAR 2007.

Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2007

The AIT Outdoor Tracker for Vehicles and Pedestrians in CLEAR2007.

Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2007

The AIT 2D Face Detection and Tracking System for CLEAR 2007.

Andreas Stergiou, Ghassan Karame, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2007

The AIT 3D Audio / Visual Person Tracker for CLEAR 2007.

Nikos Katsarakis, Fotios Talantzis, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2007

The Acoustic Event Detector of AIT.

Christos Boukis, Lazaros C. Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2007

2006

A novel algorithm for the adaptation of the pole of Laguerre filters.

Christos Boukis, Danilo P. Mandic, Anthony G. Constantinides, Lazaros C. Polymenakos

IEEE Signal Process. Lett., 2006

Enhancing Learning Experiences through Context-Aware Collaborative Services: Software Architecture and Prototype System.

Nikolaos Dimakis, Lazaros Polymenakos, John Soldatos

Proceedings of the 4th IEEE International Workshop on Wireless and Mobile Technologies in Education, 2006

Real Time Audio-Visual Person Tracking.

Fotios Talantzis, Aristodemos Pnevmatikakis, Lazaros C. Polymenakos

Proceedings of the IEEE 8th Workshop on Multimedia Signal Processing, 2006

The 2006 Athens Information Technology Speech Activity Detection and Speaker Diarization Systems.

Elias Rentzeperis, Andreas Stergiou, Christos Boukis, Aristodemos Pnevmatikakis, Lazaros C. Polymenakos

Proceedings of the Machine Learning for Multimodal Interaction, 2006

Kalman Tracking with Target Feedback on Adaptive Background Learning.

Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Machine Learning for Multimodal Interaction, 2006

Using Hierarchical Filters to Detect Sparseness in Unknown Channels.

Christos Boukis, Lazaros Polymenakos

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2006

Using a differential microphone array to estimate the direction of arrival of two acoustic sources.

Fotios Talantzis, Anthony G. Constantinides, Lazaros C. Polymenakos

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

Enhancing the performance of a GMM-based speaker identification system in a multi-microphone setup.

Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros C. Polymenakos

Proceedings of the Ninth International Conference on Spoken Language Processing, 2006

Impact of Face Registration Errors on Recognition.

Elias Rentzeperis, Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Artificial Intelligence Applications and Innovations, 2006

Perceptive Middleware and Intelligent Agents Enhancing Service Autonomy in Smart Spaces.

Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos, Manfred Schenk, Uwe Pfirrmann, Axel Bürkle

Proceedings of the 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, 2006

An Agent-Based Architecture for Context-Aware Services Supporting Human Interaction.

Axel Bürkle, Wilmuth Müller, Uwe Pfirrmann, Manfred Schenk, Nikolaos Dimakis, John Soldatos, Lazaros Polymenakos

Proceedings of the 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology, 2006

A Decision Fusion System Across Time and Classifiers for Audio-Visual Person Identification.

Andreas Stergiou, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2006

The AIT Outdoors Tracking System for Pedestrians and Vehicles.

Aristodemos Pnevmatikakis, Lazaros Polymenakos, Vasileios Mylonakis

Proceedings of the Multimodal Technologies for Perception of Humans, 2006

2D Person Tracking Using Kalman Filtering and Adaptive Background Learning in a Feedback Loop.

Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2006

3D Audiovisual Person Tracking Using Kalman Filtering and Information Theory.

Nikos Katsarakis, George Souretis, Fotios Talantzis, Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Multimodal Technologies for Perception of Humans, 2006

2005

Estimation of direction of arrival using information theory.

Fotios Talantzis, Anthony G. Constantinides, Lazaros C. Polymenakos

IEEE Signal Process. Lett., 2005

Multimodal web applications: design issues and an implementation framework.

Lazaros C. Polymenakos, John Soldatos

Int. J. Web Eng. Technol., 2005

EMPEROR: An OGSA Grid Meta-Scheduler Based on Dynamic Resource Predictions.

Lazar Adzigogov, John Soldatos, Lazaros Polymenakos

J. Grid Comput., 2005

A Testing Methodology for Face Recognition Algorithms.

Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the Machine Learning for Multimodal Interaction, 2005

2004

Comparison of Eigenface-Based Feature Vectors under Different Impairments.

Aristodemos Pnevmatikakis, Lazaros Polymenakos

Proceedings of the 17th International Conference on Pattern Recognition, 2004

Programmable Grids Framework Enabling QoS in an OGSA Context.

John Soldatos, Lazaros Polymenakos, George Kormentzas

Proceedings of the Computational Science, 2004

2002

Conversational natural language understanding interfacing city event information.

Marion Mast, Thomas Ross, Henrik Schulz, Heli Harrikari, Vasiliki Demesticha, Lazaros Polymenakos, Yannis Vamvakoulas, Jan Stadermann

Data Knowl. Eng., 2002

An Approach to lightweight deployment of web services.

Jaroslav Gergic, Jan Kleindienst, Y. Despotopoulos, John Soldatos, George Patikis, A. Anagnostou, Lazaros Polymenakos

Proceedings of the 14th international conference on Software engineering and knowledge engineering, 2002

2001

A Conversational Natural Language Understanding Information System for Multiple Languages.

Marion Mast, Thomas Ross, Henrik Schulz, Heli Harrikari, Vasiliki Demesticha, Lazaros Polymenakos, Yannis Vamvakoulas, Jan Stadermann

Proceedings of the Applications of Natural Language to Information Systems, 2001

Aspects of Design and Implementation of a Multi-Channel and Multi-Modal Information System.

Vasiliki Demesticha, Jaroslav Gergic, Jan Kleindienst, Marion Mast, Lazaros Polymenakos, Henrik Schulz, Ladislav Serédi

Proceedings of the 2001 International Conference on Software Maintenance, 2001

1998

Implementation of efficient algorithms for globally optimal trajectories.

Lazaros C. Polymenakos, Dimitri P. Bertsekas, John N. Tsitsiklis

IEEE Trans. Autom. Control., 1998

Transcription of broadcast news-some recent improvements to IBM's LVCSR system.

Lazaros Polymenakos, Peder A. Olsen, D. Kanvesky, Ramesh A. Gopinath, Ponani S. Gopalakrishnan, Scott Saobing Chen

Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

1997

An ε-Relaxation Method for Separable Convex Cost Network Flow Problems.

Dimitri P. Bertsekas, Lazaros C. Polymenakos, Paul Tseng

SIAM J. Optim., 1997

Transcription of broadcast news-system robustness issues and adaptation techniques.

Raimo Bakis, Scott Saobing Chen, Ponani S. Gopalakrishnan, Ramesh Gopinath, Stéphane H. Maes, Lazaros Polymenakos

Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1995

Data-Parallel Implementations of Dense Simplex Methods on the Connection Machine CM-2.

Jonathan Eckstein, I. Ilkay Boduroglu, Lazaros C. Polymenakos, Donald Goldfarb

INFORMS J. Comput., 1995

1994

Parallel Shortest Path Auction Algorithms.

Lazaros Polymenakos, Dimitri P. Bertsekas

Parallel Comput., 1994