@INPROCEEDINGS{CEndres_31, AUTHOR = {Christoph Endres and Christian M\"{u}ller}, TITLE = {{A Graph-Search Approach on Resource-Constrained Scheduling Problems and its Application to Advanced Driver Assistance Systems}}, PAGES = {}, BOOKTITLE = {{Proceedings of the 4th International Conference on Agents and Artificial Intelligence (ICAART 2012)}}, YEAR = {2012}, MONTH = {February}, ADDRESS = {Vilamoura, Algarve, Portugal}, URL = {http://www.dfki.de/~endres/CEndres_31.pdf}, ABSTRACT = {In this paper we present a problem which is a variation of the resource-constrained project scheduling problem and a graph-based approach to solve it. The problem is defined as resource-constrained scheduling problem (RCSP). Particularly, we apply the approach to the problem of scheduling a large number of driver warnings based on car-to-car communication (also known as cooperative vehicles). Data is presented from the project SIMTD, a large-scale field test in the area of the Hessian city of Frankfurt, where 400 cars participate in a number of controlled tests in three main scenarios: the rural road scenario (basic complexity), the motorway scenario (intermediate complexity), and the urban road scenario (high complexity). We argue that, due to its run-time behaviour, our graph-based approach is suitable for the particular application domain at hand. Results are presented in terms of quality of the solution (conflict resolution), runtime behavior and pruning effects to the size of the search tree. In addition to the scenarios derived from the actual field test, a hyper-real stress test is presented to demonstrate the performance of our solution.} } @INPROCEEDINGS{CEndres_30, AUTHOR = {Daniel Braun and Christoph Endres and Christian M\"{u}ller}, TITLE = {{Determination of Mobility Context using Low-Level Data}}, PAGES = {41-42}, BOOKTITLE = {{Adjunct Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2011)}}, YEAR = {2011}, MONTH = {November}, ADDRESS = {Salzburg, Austria}, URL = {http://www.dfki.de/~endres/CEndres_30.pdf}, ABSTRACT = {Mobility can include a variety of transportation modes, spanning from walking over public transportation (bus, train, etc.) to driving. All these different modes have different contexts, which have unique features and different requirements to the user and his need for information. In this paper we present and evaluate some heuristics for determining the mobility context of a user based on low-level data collected using a smartphone and discuss possible applications. We identify the challenging aspects of the approach and discuss the next steps.} } @INPROCEEDINGS{CEndres_29, AUTHOR = {Angela Mahr and Christoph Endres and Tanja Schneeberger and Christian M\"{u}ller}, TITLE = {{Determining Human-Centered Parameters of Ergonomic Micro-Gesture Interaction for Drivers Using the Theater Approach}}, PAGES = {151-157}, BOOKTITLE = {{Proceedings of the 3rd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2011)}}, YEAR = {2011}, MONTH = {November}, ADDRESS = {Salzburg, Austria}, URL = {http://www.dfki.de/~endres/CEndres_29.pdf}, ABSTRACT = {In this paper, we describe a technique to determine user preferences concerning in-car micro-gesture interaction. The approach is derived from the theater technique and implies a collaborative adjustment of parameters with the experimenter until the subject has decided about the final settings. We evaluated three systematically selected gestures (zooming, sweeping, and circling) for controlling four exemplary comfort functions of the car (window lifter, air condition, radio volume, and seat heating). The main result of our study is the geometry of a "sweet spot" for micro-gesture recognition close to the steering wheel, which is independent from the underlying technical recognition approach. Additionally, preferred sizes, angles, and pause times for the investigated gestures are provided. We give indications on which of the gestures is preferred by the users (the sweeping gesture). Finally, we provide a more detailed view on the interaction between gesture preferences and function.} } @INPROCEEDINGS{CEndres_28, AUTHOR = {Christoph Endres and Daniel Braun and Christian M\"{u}ller}, TITLE = {{Prototyping a Semi-Automatic In-Car Texting Assistant}}, PAGES = {57-60}, BOOKTITLE = {Proceedings of the 3rd Workshop on Multimodal Interfaces for Automotive Applications (MIAA 2011)}, YEAR = {2011}, MONTH = {February}, ADDRESS = {Palo Alto, CA, USA}, URL = {http://www.dfki.de/~endres/CEndres_28.pdf}, ABSTRACT = {Texting while driving is dangerous and illegal in most countries. But both social as well as business forces led to a widespread ignorance of those bans and in turn to a potential lethal situation. We argue that, in addition to legislative regulations, in-car texting should be made less distracting and dangerous. We offer a solution for one specific communication goal, namely staying connected to a social network. We propose a semi-automatic status-posting system and present a prototype based on a Pleo. We argue that our approach should be extended by automated answering mechanisms. The aim of this paper is to foster discussion on texting while driving. The solution for one type of semi-atomatic texting is outlined, other types of texting need to be looked at separately.} } @INPROCEEDINGS{CEndres_27, AUTHOR = {Christoph Endres and Gerrit Meixner and Christian M\"{u}ller}, TITLE = {{MIAA 2011: Multimodal Interaction for the Intelligent Environment Car}}, PAGES = {473-474}, BOOKTITLE = {Proceedings of the International Conference on Intelligent User Interfaces (IUI 2011)}, YEAR = {2011}, MONTH = {February}, ADDRESS = {Palo Alto, CA, USA}, URL = {http://www.dfki.de/~endres/CEndres_27.pdf}, ABSTRACT = {Automotive development has been dominated by the constraints of driving. However, natural relations to the more general area of Intelligent User Interfaces exist. Previous research in related fields therefore should be adopted and included. The aim of the 2011 MIAA workshop is to foster discussion between experts in otherwise unrelated fields of research. For example, a public interfaces use crossmodal referencing in order to circumvent restrictions by the users current focus on a limited communication channel. Our aim is to raise awareness for this approach, concluding that crossmodal references in the car are helpful to bridge the gap between information inside the car and the environment. Another focus topic of the workshop is eco-friendly driving. Although universally regarded as a necessity, it remains an open question how to encourage drivers to drive ecologically. We discuss for example awards for eco-friendly driving by making it competitive and game-like.} } @INPROCEEDINGS{CEndres_26, AUTHOR = {Christoph Endres and Tim Schwartz and Christian {M\"{u}ller}}, TITLE = {{``Geremin'': 2D Microgestures for Drivers Based on Electric Field Sensing}}, PAGES = {327-330}, BOOKTITLE = {Proceedings of the International Conference on Intelligent User Interfaces (IUI 2011)}, YEAR = {2011}, MONTH = {February}, ADDRESS = {Palo Alto, CA, USA}, URL = {http://www.dfki.de/~endres/CEndres_26.pdf}, ABSTRACT = {We introduce the "Geremin" approach on in-car 2D microgesture recognition, which belongs to the category of electric field sensing techniques detecting the presence of a human hand near a conductive object (not affected by light and dynamic backgrounds, fast response times). The core component is essentially a modified "Theremin", an early electronic musical instrument named after the Russian inventor Professor Leon Theremin. Gesture recognition is done using a Dynamic Time Warp DTW algorithm. With respect to the application domain, we follow the direction of "selective mapping to theme or function" suggested in the literature. For gesture location, we propose the immediate proximity of the steering wheel, which has the advantage of providing gesture-based interaction without requiring the driver to take off hand(s). The major motivating factor for the proposed approach is reducing installation costs. Although, we use a single-antenna setup for this study, our results indicate that the gain in recognition accuracy justifies the use of two or more.} } @INPROCEEDINGS{CEndres_25, AUTHOR = {Sandro Castronovo and Christoph Endres and Tobias Del Fabro and Nils Schnabel and Christian {M\"{u}ller}}, TITLE = {{Multimodal Conspicuity-Enhancement for E-Bikes (Demo): the Hybrid Reality Model of Environment Transformation}}, PAGES = {433-434}, BOOKTITLE = {Proceedings of the International Conference on Intelligent User Interfaces (IUI 2011)}, YEAR = {2011}, MONTH = {February}, ADDRESS = {Palo Alto, CA, USA}, URL = {http://www.dfki.de/~endres/CEndres_25.pdf}, ABSTRACT = {A prototypical conspicuity enhancement (CE) system for vulnerable road users (here e-bikes) is described. We stress that CE is a form of multimodal output. We argue that previous CE approaches have the drawback of affecting uninvolved (road) users. We argue further that augmented reality as an alternative is error prone because objects need to be tracked. Our system implements the hybrid reality modality model, where directed information emanates from the objects themselves and therefore no object recognition/tracking is needed. We describe the components of a functional demonstrator based on standard compliant car-to-car communication components.} } @INPROCEEDINGS{CEndres_24, AUTHOR = {Christoph Endres and Sandro Castronovo}, TITLE = {{Intelligent Environment Car: A New Perspective}}, PAGES = {9}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_24.pdf}, ABSTRACT = {Automotive development has been dominated by the special requirements and constraints of driving. However, natural relations to the more general area of Intelligent User Interfaces (IUI) exist. Previous research in related fields therefore should be adopted and included. The aim of this paper is to foster discussion between experts in otherwise unrelated fields of research.} } @INPROCEEDINGS{CEndres_23, AUTHOR = {Christoph Endres and Svilen Dimitrov}, TITLE = {{Using a Theremin for Micro-Gesture Recognition in an Automotive Environment}}, PAGES = {8}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_23.pdf}, ABSTRACT = {The world's first electronic musical instrumented was invented in the 1920ies by the Russian Professor L�on Theremin. It is based on proximity sensing and can be played touch-free. We use this feature for recognition of micro gestures as a first step for future use in a car environment.} } @INPROCEEDINGS{CEndres_22, AUTHOR = {Christoph Endres and Jan Miksatko and Daniel Braun}, TITLE = {{Youldeco - Exploiting the Power of Online Social Networks for Eco-Friendly Driving}}, PAGES = {5}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_22.pdf}, ABSTRACT = {Although eco-friendly driving is universally regarded as a necessity, it remains an open question how to encourage drivers to drive ecologically. The main issues here are lifestyle- and convenience-related decisions of an opposite direction. Youldeco is based on rewards for eco-friendly driving by making it competitive and game-like. We claim that we can persuade especially younger drivers towards more ecological driving.} } @INPROCEEDINGS{CEndres_21, AUTHOR = {Christoph Endres and Daniel Braun}, TITLE = {{Pleopatra: A Semi-Automatic Status-Posting Prototype For Future In-Car Use}}, PAGES = {7}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_21.pdf}, ABSTRACT = {Texting while driving is dangerous and illegal in most countries. Since bans are likely to be ineffective due to various reasons, we argue that in-car texting should be made less distracting and dangerous. We propose a semi-automatic status-posting system and present a prototype based on a Pleo. The aim of this paper is to foster discussion on texting while driving and to offer a solution for one specific communication goal, namely staying connected to a social network.} } @INPROCEEDINGS{CEndres_20, AUTHOR = {Tim Schwartz and Sandro Castronovo and Christoph Endres}, TITLE = {{A GPS-less Method to Find Your Parked Car}}, PAGES = {26}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_20.pdf}, ABSTRACT = {We propose a new way to find a car on a large parking area: By pressing a button on the key fob that is usually used to remotely lock or unlock the car, cars in the vicinity of the user form a running-light by switching on and off their lights and thus leading the user's attention from their current position to the position of their car. This somewhat resembles the emergency floor path marking in airplanes guiding passengers to the nearest exits.} } @INPROCEEDINGS{CEndres_19, AUTHOR = {Christoph Endres and Tim Schwartz}, TITLE = {{Crossmodal Referencing as Automotive Fission Concept}}, PAGES = {6}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_19.pdf}, ABSTRACT = {A number of public interfaces use crossmodal referencing in order to circumvent restrictions by the users current focus on a limited communication channel. We collected a number of examples in order to illustrate the underlying concept. Our aim is to raise awareness for this approach, concluding that crossmodal references in the car are helpful to bridge the gap between information inside the car and the environment.} } @INPROCEEDINGS{CEndres_18, AUTHOR = {Sandro Castronovo and Christoph Endres}, TITLE = {{Interface Outside: Extending the V2X Communication Framework for Vulnerable Road User Protection}}, PAGES = {2}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_18.pdf}, ABSTRACT = {For more than a decade, Vehicle-to-X communication has been a flicker of hope in the urge to make our roads safer. Numerous research projects advanced the underlying technology. Many technological hurdles were taken such as reliable sensor-based detection of local dangers, e.g., traffic jams. However, researchers have only recently begun to systematically investigate suitable user interfaces for the V2X-induced driver assistance. In this paper we propose a low-cost, "outsourced" interface to incorporate vulnerable road users in the V2X community.} } @INPROCEEDINGS{CEndres_17, AUTHOR = {Sandro Castronovo and Angela Mahr and Christoph Endres}, TITLE = {{On In-Car User Interfaces for Car-2-X Pull-Applications: Design Considerations for HMIs}}, PAGES = {1}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_17.pdf}, ABSTRACT = {Recent development in Car-To-Car research has brought up different use cases mostly focussed on safety related applications. Human Machine Interfaces (HMIs) are crucial for bringing these information to the users' attention. Even more difficult is the HMI design when it comes to user-initiated queries on the basis of this technology. This paper discusses the key issues when designing HMIs for so called Car-To-Car Pull-Applications.} } @INPROCEEDINGS{CEndres_16, AUTHOR = {Michael Feld and Christoph Endres}, TITLE = {{Sharing User and Context Models in Automotive HMI}}, PAGES = {10}, BOOKTITLE = {Adjunct proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications (AutomotiveUI 2010)}, YEAR = {2010}, MONTH = {November}, ADDRESS = {Pittsburgh, PA, USA}, URL = {http://www.dfki.de/~endres/CEndres_16.pdf}, ABSTRACT = {Person vehicles are increasingly equipped with functions and services that go beyond basic driving. While sensors of the vehicle collect much information about the environment, services today do not harness the full potential of this knowledge. To fill in the missing link, we propose a central knowledge component for user and context management, and illuminate some critical design issues.} } @INPROCEEDINGS{CEndres_15, AUTHOR = {Christoph Endres and Andreas Wurz and Marcus Hoffmann and Alexander Behring}, TITLE = {{A Task-based Messaging Approach To Facilitate Staff Work}}, BOOKTITLE = {Proceedings of the 7th International Conference on Information Systems for Crisis Response and Management ISCRAM2010}, EDITOR = {Simon French and Brian Tomaszewski and Christopher Zobel}, YEAR = {2010}, MONTH = {May}, ADDRESS = {Seattle}, URL = {http://www.dfki.de/~endres/CEndres_15.pdf}, ABSTRACT = {A central part of the work in Incident Commands (ICs) deals with handling messages that contain relevant information. Classification schemes for messages can be exploited by command staff and assisting tools to support this work, given that a common understanding of the scheme is shared among participants. We present user studies on two such classifications, which imply some disagreement among participants. Interpretations of the studies and a revised scheme are presented. All users in our studies are highly trained experts and represent the state of the art in german IC work.} } @INPROCEEDINGS{CEndres_14, AUTHOR = {Christoph Endres and Michael Feld and Tim Schwartz and Christian M\"{u}ller}, TITLE = {{Cinematic Analysis of Automotive Personalization}}, BOOKTITLE = {{IUI 2010 Proceedings of the 14th International Conference on Intelligent User Interfaces}}, EDITORS = {Christian M\"uller and Tim Schwartz and Michael Feld}, PUBLISHER = {ACM Press}, YEAR = {2010}, MONTH = {February}, ADDRESS = {Hong Kong, China}, URL = {http://www.dfki.de/~endres/CEndres_14.pdf}, ABSTRACT = {Personalization has become an important aspect in the design of cars and the human machine interface (HMI). Successful personalization bears the potential of increasing both safety as well as customer satisfaction. In order to reveal innovative concepts in automotive personalization, we present in this paper a cinematic study -- an analysis of what the movie industry "invented" and what might be worthwhile following up upon in research. Thereby, our notion of personalization is twofold: a) tailoring the car or parts of the car to a specific user (group) and b) the car or parts of the car becoming a persona -- the latter being relevant with respect to current automotive research activities on the "emotional" car. Based on the analysis of popular movies and TV series from the last four decades, we introduce a scheme that describes personalization concepts as imagined (and maybe even anticipated) by film-makers, who's creative drives have not been slowed down by the restraints of feasibility and costs.} } @ARTICLE{CEndres_13, AUTHOR = {Michael Schmitz and Christoph Endres and Andreas Butz}, TITLE = {{A Survey of Human-Computer Interaction Design in Science Fiction Movies}}, JOURNAL = {IC@ST Journal}, YEAR = {2008}, MONTH = {November}, PAGES = {1--23}, URL = {http://www.dfki.de/~endres/CEndres_13.pdf}, ABSTRACT = {Science Fiction movies have always been a medium for speculation about the future of technology. The most visible part of technology often is its interaction design, which therefore appears prominently in these movies. This paper presents a survey of human-computer interaction designs in SciFi movies during the past decades and it relates the techniques shown there to existing technologies and prototypes in research. Different types of interaction are categorized according to their application domain in real life and compared to current research in human-computer interaction.} } @INPROCEEDINGS{CEndres_12, AUTHOR = {Marc Schr{\"o}der and Patrick Gebhard and Marcela Charfuelan and Christoph Endres and Michael Kipp and Sathish Chandra Pammi and Martin Rumpler and Oytun T{\"u}rk}, TITLE = {{Enhancing Animated Agents in an Instrumented Poker Game}}, BOOKTITLE = {KI 2008: Advances in Artificial Intelligence. September 23-26, Kaiserslautern, Germany}, YEAR = {2008}, SERIES = {Lecture Notes in Artificial Intelligence, LNAI}, EDITOR = {Andreas Dengel and K. Berns and Thomas Breuel and F. Bomarius and Thomas Roth-Berghofer}, VOLUME = {5243}, PAGES = {316--323}, PUBLISHER = {Springer}, URL = {http://www.dfki.de/~endres/CEndres_12.pdf}, ABSTRACT = {In this paper we present an interactive poker game in which one human user plays against two animated agents using RFID-tagged poker cards. The game is used as a showcase to illustrate how current AI technologies can be used for providing new features to computer games. A powerful and easy-to-use multimodal dialog authoring tool is used for modeling game content and interaction. The poker characters rely on a sophisticated model of affect and a state-of-the art speech synthesizer. Through the combination of these methods, the characters show a consistent expressive behavior that enhances the naturalness of interaction in the game.} } @INPROCEEDINGS{CEndres_11, AUTHOR = {Patrick Gebhard and Marc Schr{\"o}der and Marcela Charfuelan and Christoph Endres and Michael Kipp and Sathish Chandra Pammi and Martin Rumpler and Oytun T{\"u}rk}, TITLE = {{IDEAS4Games: Building Expressive Virtual Characters for Computer Games}}, BOOKTITLE = {Intelligent Virtual Agents, 8th International Conference Proceedings. Intelligent Virtual Agents, 8th International Conference (IVA-08), September 1-3, Tokyo, Japan}, YEAR = {2008}, SERIES = {Lecture Notes in Artificial Intelligence, LNAI}, EDITOR = {Helmut Prendinger and James C. Lester and Mitsuru Ishizuka}, VOLUME = {5208}, PAGES = {426--440}, ISBN = {978-3-540-85482-1}, PUBLISHER = {Springer}, URL = {http://www.dfki.de/~endres/CEndres_11.pdf}, ABSTRACT = {In this paper we present two virtual characters in an interactive poker game using RFID-tagged poker cards for the interaction. To support the game creation process, we have combined models, methods, and technology that are currently investigated in the ECA research field in a unique way. A powerful and easy-to-use multimodal dialog authoring tool is used for the modeling of game content and interaction. The poker characters rely on a sophisticated model of affect and a state-of-the art speech synthesizer. During the game, the characters show a consistent expressive behavior that reflects the individually simulated affect in speech and animations. As a result, users are provided with an engaging interactive poker experience.} } @INPROCEEDINGS{CEndres_10, AUTHOR = {Michael Schmitz and Christoph Endres and Andreas Butz}, TITLE = {{A Survey of Human-Computer Interaction Design in Science Fiction Movies}}, BOOKTITLE = {{INTETAIN '08: Proceedings of the 2nd international conference on INtelligent TEchnologies for interactive enterTAINment}}, YEAR = {2008}, MONTH = {January}, PAGES = {1--10}, ISBN = {978-963-9799-13-4}, LOCATION = {Cancun, Mexico}, PUBLISHER = {ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering)}, ADDRESS = {ICST, Brussels, Belgium, Belgium}, KEYWORDS = {Science Fiction Movies, Interaction Design}, URL = {http://www.dfki.de/~endres/CEndres_10.pdf}, ABSTRACT = {Science Fiction movies have always been a medium for speculation about the future of technology. The most visible part of technology often is its interaction design, which therefore appears prominently in these movies. This paper presents a survey of human-computer interaction designs in SciFi movies during the past decades and it relates the techniques shown there to existing technologies and prototypes in research. Different types of interaction are categorized according to their application domain in real life and compared to current research in human-computer interaction.} } @ARTICLE{CEndres_09, AUTHOR = {Christoph Endres and Andreas Butz and Asa MacWilliams}, TITLE = {{A Survey of Software Infrastructures and Frameworks for Ubiquitous Computing}}, JOURNAL = {Mobile Information Systems Journal}, YEAR = {2005}, VOLUME = {1}, NUMBER = {1}, MONTH = {January--March}, PAGES = {41--80}, URL = {http://www.dfki.de/~endres/CEndres_09.pdf}, ABSTRACT = {In this survey, we discuss 29 software infrastructures and frameworks which support the construction of distributed interactive systems. They range from small projects with one implemented prototype to large scale research efforts, and they come from the fields of Augmented Reality (AR), Intelligent Environments, and Distributed Mobile Systems. In their own way, they can all be used to implement various aspects of the ubiquitous computing vision as described by Mark Weiser. This survey is meant as a starting point for new projects, in order to choose an existing infrastructure for reuse, or to get an overview before designing a new one. It tries to provide a systematic, relatively broad (and necessarily not very deep) overview, while pointing to relevant literature for in-depth study of the systems discussed.} } @INPROCEEDINGS{CEndres_07, AUTHOR = {Christian Kray and Antonio Kr{\"u}ger and Christoph Endres}, TITLE = {{Some Issues on Presentations in Intelligent Environments}}, BOOKTITLE = {Ambient Intelligence, First European Symposium, EUSAI 2003, Veldhoven, The Netherlands, November 3.-4, 2003, Proceedings}, YEAR = {2003}, MONTH = {November}, PAGES = {15--26}, EDITOR = {Emile H. L. Aarts and Ren{\'e} Collier and Evert van Loenen and Boris E. R. de Ruyter}, PUBLISHER = {Springer}, SERIES = {Lecture Notes in Computer Science}, VOLUME = {2875}, URL = {http://www.dfki.de/~endres/CEndres_07.pdf}, ABSTRACT = {Intelligent environments frequently embed a varying number of output means. In this paper, we present an analysis of the task of generating a coherent presentation across multiple displays. We review problems and requirements, and propose a multi-layer approach aimed at addressing some of the previously identified issues. We introduce a low-level architecture for the handling of devices as well as mechanism for distributing coherent presentations to multiple displays. We then discuss what further steps are needed on the way from an abstract presentation goal to a concrete realization.Intelligent environments frequently embed a varying number of output means. In this paper, we present an analysis of the task of generating a coherent presentation across multiple displays. We review problems and requirements, and propose a multi-layer approach aimed at addressing some of the previously identified issues. We introduce a low-level architecture for the handling of devices as well as mechanism for distributing coherent presentations to multiple displays. We then discuss what further steps are needed on the way from an abstract presentation goal to a concrete realization.} } @INPROCEEDINGS{CEndres_06, AUTHOR = {Christoph Endres}, TITLE = {{Towards a Software Architecture for Device Management in Instrumented Environments}}, BOOKTITLE = {Fifth International Conference On Ubiquitous Computing (UbiComp) -- Adjunct Proceedings}, YEAR = {2003}, MONTH = {October}, ADDRESS = {Seattle}, PAGES = {245--246}, URL = {http://www.dfki.de/~endres/CEndres_06.pdf}, ABSTRACT = {An infrastructure for scalable plug-and-play device management in an instrumented environment is presented. A prototype of the system is described and issues of the overall architecture are addressed.} } @INPROCEEDINGS{CEndres_05, AUTHOR = {Rainer Wasinger and Christian Kray and Christoph Endres}, TITLE = {{Controlling multiple devices}}, BOOKTITLE = {Workshop on Physical Interaction at Mobile HCI 2003}, MONTH = {September}, YEAR = {2003}, ADDRESS = {Udine, Italy}, URL = {http://www.dfki.de/~endres/CEndres_05.pdf}, ABSTRACT = {Two major differences between ubiquitous computing and a traditional desktop scenario consist of the number of users interacting simultaneously with a system, and the number of devices that they use. This paper focuses on the physical user interfaces problem of how device control is allocated, shared, and released by services and users. Based on a classification of different types of devices, we analyze in which ways a device can be controlled. We then identify several influencing factors in allocating devices, and conclude by sketching out a high-level strategy for the (semi) automatic handling of device allocation.} } @MASTERSTHESIS{CEndres_04, AUTHOR = {Christoph Endres}, TITLE = {{Personal Picture Finder -- A Softbot for the World Wide Web}}, YEAR = {1999}, MONTH = {May}, SCHOOL = {Universit{\"a}t des Saarlandes}, ADDRESS = {Saarbr{\"u}cken, Germany}, TYPE = {Diplomarbeit}, URL = {http://www.dfki.de/~endres/CEndres_04.pdf}, ABSTRACT = {Document contains no abstract} } @TECHREPORT{CEndres_03, AUTHOR = {Christoph Endres}, TITLE = {{The MultiHttpServer -- A Parallel Pull Engine}}, INSTITUTION = {German Research Center for Artificial Intelligence (DFKI GmbH)}, YEAR = {1999}, MONTH = {April}, SCHOOL = {German Research Center for Artificial Intelligence (DFKI GmbH)}, TYPE = {{Technical Memo TM-99-04}}, ADDRESS = {Saarbr{\"u}cken, Germany}, URL = {http://www.dfki.de/~endres/CEndres_03.pdf}, ABSTRACT = {Internet agents require fast, concurrent access to many web pages. This service should be stable, central, and easy to access independently from the actual implementation language. This paper describes the MultiHttpServer (MHS), a parallel pull engine implemented in Java with a TCP/IP interface for communication with other programs. A second TCP/IP interface provides information for administration purposes. A simple config-file allows application-oriented tuning of the MultiHttpServer. An optional JAVA-Servlet can remotely start up the MultiHttpServer on demand. The focus of this report is on a user oriented description of functionality and usage of the system. Sample clients in several languages are discussed.} } @INPROCEEDINGS{CEndres_02, AUTHOR = {Christoph Endres and Markus Meyer and Wolfgang Wahlster}, TITLE = {{Personal Picture Finder: Ein Internet-Agent zur wissensbasierten Suche nach Personenphotos}}, BOOKTITLE = {Proceedings of Online99}, YEAR = {1999}, PUBLISHER = {Velbert}, PAGES = {211-232}, URL = {http://www.dfki.de/~endres/CEndres_02.pdf}, ABSTRACT = {Es wird die Funktionsweise eines Netbot vorgestellt, der nach Eingabe eines Personennamen im World Wide Web (WWW) nach Photos dieser Person sucht und die gefundenen Bilder zusammen mit einem Hinweis auf die Fundstelle ausgibt. Dazu werden zun{\"a}chst durch eine parallele Metasuche relevante Webseiten gefunden, aus deren HTML-Code dann alle Bilddateien extrahiert werden. Der Netbot nutzt dann eine Kombination verschiedener Heuristiken aus seiner Wissensbasis, um die Bilddateien mit Personenphotos aufgrund effizient zu berechnender Bildmerkmale zu extrahieren und alle anderen Bilddateien wegzufiltern. Durch verschiedene Lerntechniken, die als Eingabe die Bewertungen von Suchergebnissen durch eine gro�e Zahl von Benutzern haben, adaptiert der Netbot seine Bildfilter und erh�ht damit die Precision-Werte beim Retrieval. Durch die Verwendung der Parallel Pull - Technologie und eine Kombination von Java Scripts, Applets und Servlets wird eine hohe Performanz des Systems erreicht.} } @TECHREPORT{CEndres_01, AUTHOR = {Christoph Endres and Lars Klein and Markus Meyer}, TITLE = {{Implementierung und Erweiterung der Sprache ALCP}}, INSTITUTION = {German Research Center for Artificial Intelligence (DFKI GmbH)}, YEAR = {1995}, MONTH = {March}, SCHOOL = {German Research Center for Artificial Intelligence (DFKI GmbH)}, TYPE = {{Document D-95-03}}, ADDRESS = {Saarbr{\"u}cken, Germany}, PAGES = {1--115}, URL = {http://www.dfki.de/~endres/CEndres_01.pdf}, ABSTRACT = {Diese Dokumentation beschreibt die Implementierung und Erweiterung der Sprache ALCP. ALCP ist eine von Heinsohn entwickelte Erweiterung der terminologischen Wissensrepr{\"a}sentationssprache ALC um eine probabilistische Komponente, so da{\3} auch unsicheres Wissen repr{\"a}sentiert und f{\"u}r Inferenzen verwendet werden kann. Nach einer Einf{\"u}hrung in die grundlegenden Bereiche der Wahrscheinlichkeitstheorie und der Wissensrepr{\"a}sentation erfolgt eine kurze Beschreibung der Sprache ALCP. Anschlie{\3}end werden die bei der Implementierung verwendeten Konzepte vorgestellt und die benutzten Datenstrukturen und Algorithmen werden beschrieben und erl{\"a}utert. Der praktische Aspekt der Verwendung der Sprache ALCP wird durch eine Beschreibung der verwendbaren Funktionen, eine Bedienungsanleitung und eine Beispielsitzung abgedeckt. Desweiteren wird die M{\"a}chtigkeit der Sprache ALCP anhand einiger Beispiele veranschaulicht.} }