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Displaying 1-50 out of 92 total
Efficient Discovery of Collision-Free Service Combinations
Found in: Web Services, IEEE International Conference on
By Roman Vaculín, Katia Sycara
Issue Date:July 2009
pp. 165-172
Majority of service discovery research considers only primitive services as a suitable match for a given query while service combinations are not allowed. However, many realistic queries cannot be matched by individual services and only a combination of se...
 
Towards Extending Service Discovery with Automated Composition Capabilities
Found in: Web Services, European Conference on
By Roman Vaculin, Roman Neruda, Katia Sycara
Issue Date:November 2008
pp. 3-12
Abstract In most of research, service composition and discovery are treated separately. In the composition, it is assumed that primitive services are known to the composition component in advance. At the same time, in matchmaking algorithms, usually only o...
 
Perception Formation in Global Negotiations: The Role of Culture and Sacred Value
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By Zhaleh Semnani-Azad,Alin Coman,Katia Sycara,Michael Lewis
Issue Date:January 2014
pp. 260-268
We examine how sacred values, or fundamental beliefs that reflect moral norms, and national culture interact to influence perceptions in cross-cultural negotiation. Perceptions formed toward a negotiator can subsequently affect decision-making, cooperative...
   
Automated Bilateral Multiple-issue Negotiation with No Information About Opponent
Found in: 2013 46th Hawaii International Conference on System Sciences (HICSS)
By Ronghuo Zheng,Nilanjan Chakraborty,Tinglong Dai,Katia Sycara,Michael Lewis
Issue Date:January 2013
pp. 520-527
In this paper, we investigate offer generation methods for automated negotiation on multiple issues with no information about the opponent's utility function. In existing negotiation literature, it is usually assumed that an agent has full information or p...
   
Stereotype and Perception Change in Intercultural Negotiation
Found in: Hawaii International Conference on System Sciences
By Zhaleh Semnani-Azad,Katia Sycara,Michael Lewis,Wendi L. Adair
Issue Date:January 2012
pp. 899-908
Stereotypes are cognitive schemas that influence our perception, beliefs and behavior toward members of a social group [12]. While culture is a salient social group characteristic and an important contextual cue for schema activation [27], there is limited...
   
Modeling Power Distance and Individualism/Collectivism in Negotiation Team Dynamics
Found in: Hawaii International Conference on System Sciences
By Victor Sanchez-Anguix,Tinglong Dai,Zhaleh Semnani-Azad,Katia Sycara,Vicente Botti
Issue Date:January 2012
pp. 628-637
It has been documented in the social sciences that cultural factors affect how people negotiate and behave in negotiations. Despite the importance of culture in the business world and politics, there is a lack of computational models that help to analyze h...
   
Multiagent Communication Security in Adversarial Settings
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Steven Okamoto,Praveen Paruchuri,Yonghong Wang,Katia Sycara,Janusz Marecki,Mudhakar Srivatsa
Issue Date:August 2011
pp. 296-303
In many exciting multiagent applications -- including future battlefields, law enforcement, and commerce -- agents must communicate in inherently or potentially hostile environments in which an adversaries disrupt or intercept the communication between age...
 
Towards an Understanding of the Value of Cooperation in Uncertain World
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Yonghong Wang,Katia Sycara,Paul Scerri
Issue Date:August 2011
pp. 212-215
Recent work has provided tantalizing hints that small amounts of cooperation may actually hurt a group's performance rather than help it. In this paper, we take a systematic look at the value of cooperation. Using a simple cooperative task where agents can...
 
Prisoner's Dilemma in Graphs with Heterogeneous Agents
Found in: Social Computing / IEEE International Conference on Privacy, Security, Risk and Trust, 2010 IEEE International Conference on
By Lingzhi Luo, Nilanjan Chakraborty, Katia Sycara
Issue Date:August 2010
pp. 145-152
Prisoner's dilemma (PD) game has been used as a prototypical model for studying social choice situations with self-interested agents. Although in a single shot PD game, both players playing defect is a Nash equilibrium, in social settings, cooperation amon...
 
Effect of Human Biases on Human-Agent Teams
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Praveen Paruchuri, Pradeep Varakantham, Katia Sycara, Paul Scerri
Issue Date:September 2010
pp. 327-334
As human-agent teams get increasingly deployed in the real-world, agent designers need to take into account that humans and agents have different abilities to specify preferences. In this paper, we focus on how human biases in specifying preferences for re...
 
Modeling Ethno-religious Conflicts as Prisoner's Dilemma Game in Graphs
Found in: Computational Science and Engineering, IEEE International Conference on
By Lingzhi Luo, Nilanjan Chakraborty, Katia Sycara
Issue Date:August 2009
pp. 442-449
In this paper, we present and analyze a multi-agentgame theoretic model of conflicts in multi-cultural societies. Two salient factors responsible for violence in multi-cultural societies (that are identified in the social sciences literature) are (a) ethno...
 
Scaling Up Wide-Area-Search-Munition Teams
Found in: IEEE Intelligent Systems
By Michael Lewis, Katia Sycara, Paul Scerri
Issue Date:May 2009
pp. 10-13
Wide Area Search Munitions are a cross between an unmanned aerial vehicle and a munition. WASM research to develop and test effective human-robot interfaces and scalable team-oriented coordination algorithms have broad applicability to intelligent multiage...
 
Exception Handling and Recovery of Semantic Web Services
Found in: Networking and Services, International conference on
By Roman Vaculín, Kevin Wiesner, Katia Sycara
Issue Date:March 2008
pp. 217-222
Abstract In this paper we present an approach for specification of exception handling and recovery of semantic web services based on OWL-S. We use standard fault handlers and compensation known for example from WS-BPEL to provide support for long running t...
 
Synchronous vs. Asynchronous Video in Multi-robot Search
Found in: International Conference on Advances in Computer-Human Interaction
By Prasanna Velagapudi, Jijun Wang, Huadong Wang, Paul Scerri, Michael Lewis, Katia Sycara
Issue Date:February 2008
pp. 224-229
Camera guided teleoperation has long been the preferred mode for controlling remote robots, with other modes such as asynchronous control only used when unavoidable. In this experiment we evaluate the usefulness of asynchronous operation for a multirobot s...
 
Semantic Web Services Monitoring: An OWL-S Based Approach
Found in: Hawaii International Conference on System Sciences
By Roman Vaculin, Katia Sycara
Issue Date:January 2008
pp. 313
In this paper we describe mechanisms for execution monitoring of semantic web services, based on OWL-S. The use of semantic descriptions and ontologies is a valuable extension to current SOA conceptualizations. The described mechanisms are implemented as e...
   
Specifying and Monitoring Composite Events for Semantic Web Services
Found in: Web Services, European Conference on
By Roman Vaculín, Katia Sycara
Issue Date:November 2007
pp. 87-96
Execution monitoring of complex web service process models is critical for effective management and control of web services based systems. During the composite process model execution or as part of the after-execution analysis complex event patterns (calle...
 
Semantic Web Services, Part 2
Found in: IEEE Intelligent Systems
By David Martin, John Domingue, Amit Sheth, Steve Battle, Katia Sycara, Dieter Fensel
Issue Date:November 2007
pp. 8-15
Semantic Web services (SWS) has been a vigorous technology research area for about six years, producing a great deal of innovative work. Part 2 of this Trends & Controversies department continues exploring the state of the art, current practices, and f...
 
Towards automatic mediation of OWL-S process models
Found in: Web Services, IEEE International Conference on
By Roman Vaculín, Katia Sycara
Issue Date:July 2007
pp. 1032-1039
The framework for automatic mediation of two process models composed of semantically annotated web services is presented. Process mediation is hard because of many possible mismatches between process models. We introduce algorithms for the process models a...
 
Semantic Web Service Discovery in the OWL-S IDE
Found in: Hawaii International Conference on System Sciences
By Naveen Srinivasan, Massimo Paolucci, Katia Sycara
Issue Date:January 2006
pp. 109b
The increasing availability of web services necessitates efficient discovery and execution framework. The use of xml at various levels of web services standards poses challenges to the above process. OWL-S is a service ontology and language, whose semantic...
   
Exploiting Multi-Agent Interactions for Identifying the Best-Payoff Information Source
Found in: Intelligent Agent Technology, IEEE / WIC / ACM International Conference on
By Young-Woo Seo, Katia Sycara
Issue Date:September 2005
pp. 344-350
<p>In many different applications on the Web, distributed agents would like to discover and access high quality information sources. This is a challenging problem since an agent does not know a priori which information source would provide high quali...
 
Electronic Trading in Order-Driven Markets: Efficient Execution
Found in: E-Commerce Technology, IEEE International Conference on
By Yuriy Nevmyvaka, Michael Kearns, Amy Papandreou, Katia Sycara
Issue Date:July 2005
pp. 190-197
In this paper, we address the importance of efficient execution in electronic markets. Due to intense competition for profit opportunities, trading costs can represent a significant portion of overall return. They must be taken into account both when a spe...
 
Web Services Lookup: A Matchmaker Experiment
Found in: IT Professional
By Takahiro Kawamura, Tetsuo Hasegawa, Akihiko Ohsuga, Massimo Paolucci, Katia Sycara
Issue Date:March 2005
pp. 36-41
UDDI is a standard registry for Web services, but so far its search functionality has been limited to keyword search. These authors propose a UDDI enhancement called Matchmaker, which supports semantic service capability discovery. Since September 2003, th...
 
Dynamic Outside Options in Alternating-Offers Negotiations
Found in: Hawaii International Conference on System Sciences
By Cuihong Li, Katia Sycara, Joseph Giampapa
Issue Date:January 2005
pp. 35b
We present a model for bilateral negotiations that considers the uncertain and dynamic outside options. Outside options affect the negotiation strategies via their impact on the reservation price. The model is composed of three modules, single-threaded neg...
   
Scaling Teamwork to Very Large Teams
Found in: Autonomous Agents and Multiagent Systems, International Joint Conference on
By Paul Scerri, Yang Xu, Elizabeth Liao, Justin Lai, Katia Sycara
Issue Date:July 2004
pp. 888-895
As a paradigm for coordinating cooperative agents in dynamic environments, teamwork has been shown to be capable of leading to flexible and robust behavior. However, when we apply teamwork to the problem of building teams with hundreds of members, fundamen...
 
Modeling Physical Capabilities of Humanoid Agents Using Motion Capture Data
Found in: Autonomous Agents and Multiagent Systems, International Joint Conference on
By Gita Sukthankar, Michael Mandel, Katia Sycara, Jessica Hodgins
Issue Date:July 2004
pp. 344-351
In this paper we demonstrate a method for fine-grained modeling of a synthetic agent?s physical capabilities — running, jumping, sneaking, and other modes of movement. Using motion capture data acquired from human subjects, we extract a motion graph and co...
 
Bilateral Negotiation Decisions with Uncertain Dynamic Outside Options
Found in: Electronic Contracting, IEEE International Workshop on
By Cuihong Li, Joseph Giampapa, Katia Sycara
Issue Date:July 2004
pp. 54-61
Negotiation is an important phase of e-contracting. E-contracting requires a proper negotiation model to effectively support negotiation decisions or automate the negotiation process. When an entity negotiates with a potential contractor, there may be some...
 
A Multi-Agent System for Automatically Resolving Network Interoperability Problems
Found in: Autonomous Agents and Multiagent Systems, International Joint Conference on
By Joseph A. Giampapa, Katia Sycara, Austin Fath, Aaron Steinfeld, Daniel Siewiorek
Issue Date:July 2004
pp. 1462-1463
In this paper we present the Thistle multi-agent system Help Desk application for helping an end user solve network interoperability problems on their own.
   
Authorization and Privacy for Semantic Web Services
Found in: IEEE Intelligent Systems
By Lalana Kagal, Massimo Paolucci, Naveen Srinivasan, Grit Denker, Tim Finin, Katia Sycara
Issue Date:July 2004
pp. 50-56
This article addresses the security of Semantic Web Services that are declaratively described in OWL-S. The authors propose ontologies to annotate OWL-S input and output parameters with respect to their security characteristics, including encryption and di...
 
Dynamic Discovery and Coordination of Agent-Based Semantic Web Services
Found in: IEEE Internet Computing
By Katia Sycara, Massimo Paolucci, Julien Soudry, Naveen Srinivasan
Issue Date:May 2004
pp. 66-73
Matchmaking and brokering are multiagent coordination mechanisms for Web services. Both have performance trade-offs, but the OWL ontology for semantic Web services (OWL-S) can handle extensions that address some of the shortcomings. In this article, the au...
 
Autonomous Semantic Web Services
Found in: IEEE Internet Computing
By Massimo Paolucci, Katia Sycara
Issue Date:September 2003
pp. 34-41
<p>The DARPA Agent Markup Language for Services (DAML-S) provides a mechanism that begins to bridge the gap between the Web services infrastructure and the Semantic Web.</p>
 
Calendar Agents on the Semantic Web
Found in: IEEE Intelligent Systems
By Terry R. Payne, Rahul Singh, Katia Sycara
Issue Date:May 2002
pp. 84-86
No summary available.
 
Multi-Agent Reinforcement Learning for Planning and Scheduling Multiple Goals
Found in: Multi-Agent Systems, International Conference on
By Sachiyo Arai, Katia Sycara, Terry R. Payne
Issue Date:July 2000
pp. 0359
Recently, reinforcement learning has been proposed as an effective method for knowledge acquisition of the multiagent systems. However, most researches on multiagent system applying a reinforcement-learning algorithm focus on the method to reduce complexit...
 
BiddingBot: A Multiagent Support System for Cooperative Bidding in Multiple Auctions
Found in: Multi-Agent Systems, International Conference on
By Takayuki Ito, Naoki Fukuta, Toramatsu Shintani, Katia Sycara
Issue Date:July 2000
pp. 0399
Online auctions are becoming an increasingly important channel for electronic commerce. There exist more than 150 online auction sites on the Internet. It is hard for users to attend, monitor, and bid in the multiple auction sites simultaneously. In this p...
 
Multiple Negotiations among Agents for a Distributed Meeting Scheduler
Found in: Multi-Agent Systems, International Conference on
By Toramatsu Shintani, Takayuki Ito, Katia Sycara
Issue Date:July 2000
pp. 0435
We present a method for multi-agent negotiation for implementing a distributed meeting scheduler. In the scheduling system, an agent is assigned to a user who plans private schedules and events. An agent negotiates with other agents about making a public s...
 
A Taxonomy of Middle-Agents for the Internet
Found in: Multi-Agent Systems, International Conference on
By H. Chi Wong, Katia Sycara
Issue Date:July 2000
pp. 0465
Like middlemen in physical world, middle-agents assist in locating and connecting the ultimate (information or goods) provider with the ultimate requester in the electronic world. In this paper, we identify a basic list of dimensions along which middle-age...
 
Using Case-Based Reasoning as a Reinforcement Learning Framework for Optimization with Changing Criteria
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Dajun Zeng, Katia Sycara
Issue Date:November 1995
pp. 56
Practical optimization problems such as job-shop scheduling often involve optimization criteria that change over time. Repair-based frameworks have been identified as flexible computational paradigms for difficult combinatorial optimization problems. Since...
 
Network-Centric Control for Multirobot Teams in Urban Search and Rescue
Found in: Hawaii International Conference on System Sciences
By Michael Lewis, Katia Sycara
Issue Date:January 2011
pp. 1-10
Theories from Network-centric Warfare (NCW) distinguish between network-centric and platform--centric orientations to sensing and control. In platform-centric control the operator(s) access and focus on data through platforms they control, a robot's camera...
   
Supporting Trust Assessment and Decision Making in Coalitions
Found in: IEEE Intelligent Systems
By Chris Burnett,Timothy J. Norman,Katia Sycara,Nir Oren
Issue Date:July 2014
pp. 18-24
Modern multiorganizational coalitions can bring diverse sets of capabilities, assets, and information sources to bear on complex and dynamic operations. However, successfully completing these operations places demands on the trust between coalition partner...
 
Guest Editorial: Special section on social and economic computing
Found in: IEEE Transactions on Services Computing
By Fei-Yue Wang,Dongsong Zhang,Katia Sycara
Issue Date:April 2013
pp. 150-151
Social computing can be broadly defined as the computational facilitation of social studies and human social dynamics as well as the design and use of computing technologies that consider social contexts. With the development and adoption of social computi...
 
Identifying Culture and Leveraging Cultural Differences for Negotiation Agents
Found in: Hawaii International Conference on System Sciences
By Brian Ziebart,Miroslav Dudík,Geoff Gordon,Katia Sycara,Wendi Adair,Jeanne Brett
Issue Date:January 2012
pp. 618-627
Enabling computational agents to efficiently aid or automate negotiations with humans requires a recognition and understanding of differences in negotiation behavior. One important dimension of these differences is based on the cultures of the negotiators....
   
Multi-variate Distributed Data Fusion with Expensive Sensor Data
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Yonghong Wang,Katia Sycara,Paul Scerri
Issue Date:August 2011
pp. 394-401
Distributed fusion of complex information is critical to the success of large organizations. For such organizations, comprised of thousands of agents, improving and shaping the quality of conclusions reached is a challenging problem. The challenge is incre...
 
Reducing Untruthful Manipulation in Envy-Free Pareto Optimal Resource Allocation
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Roie Zivan, Miroslav Dudík, Steven Okamoto, Katia Sycara
Issue Date:September 2010
pp. 391-398
A natural requirement of a resource allocation system is to guarantee fairness to its participants. Fair allocation can be achieved either by distributed protocols known as cake-cutting algorithms or by centralized approaches, which first collect the agent...
 
Distributed Constraint Optimization for Large Teams of Mobile Sensing Agents
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Roie Zivan, Robin Glinton, Katia Sycara
Issue Date:September 2009
pp. 347-354
A team of mobile sensors can be used for coverage of targets in different environments. The dynamic nature of such an application requires the team of agents to adjust their locations with respect to changes which occur. The dynamic nature is caused by env...
 
Modeling and Discovery of Data Providing Services
Found in: Web Services, IEEE International Conference on
By Roman Vaculín, Huajun Chen, Roman Neruda, Katia Sycara
Issue Date:September 2008
pp. 54-61
Abstract Web Services providing access to datasources with structured data have an important place in the SOA. In this paper we focus on modeling and discovery of generic data providing services (DPS), with the goal of making data providing services availa...
 
Discovery of Information Sources across Organizational Boundaries
Found in: Services Computing, IEEE International Conference on
By Massimo Paolucci, Xiong Liu, Naveen Srinivasa, Katia Sycara, Paul Kogut
Issue Date:July 2005
pp. 95-102
<p>In this paper we propose an extension of the Service Oriented Architecture that supports discovery of Web services across organization boundaries. We provide a detailed discussion of both the architectural and implementation considerations, and we...
 
Human-Robot Teaming for Search and Rescue
Found in: IEEE Pervasive Computing
By Illah R. Nourbakhsh, Katia Sycara, Mary Koes, Mark Yong, Michael Lewis, Steve Burion
Issue Date:January 2005
pp. 72-78
Urban Search and Rescue is a rich and challenging domain for studying robotics, human-robot interaction, and distributed, coordinated mobile computation. This article describes the NIST standardized USAR environment and presents the development of its robo...
 
A Dynamic Pricing Mechanisms for P2P Referral Systems
Found in: Autonomous Agents and Multiagent Systems, International Joint Conference on
By Bin Yu, Cuihong Li, Munindar P. Singh, Katia Sycara
Issue Date:July 2004
pp. 1426-1427
Most existing research on peer-to-peer systems focuses on protocol design. In this paper, we consider the issue of free riding in peer-to-peer referral systems. Free riders are agents that refuse either to answer a query or to give referrals. Free riding i...
   
Agent-Based Team Aiding in a Time Critical Task
Found in: Hawaii International Conference on System Sciences
By Terry R. Payne, Katia Sycara, Terri L. Lenox, Susan Hahn, Michael Lewis
Issue Date:January 2000
pp. 1047
In this paper we evaluate the effectiveness of agent-based aiding in support of a time-critical team-planning task for teams of both humans and heterogeneous software agents. The team task consists of human subjects playing the role of military commanders ...
   
Distributed Intelligent Agents
Found in: IEEE Intelligent Systems
By Katia Sycara, Anandee Pannu, Mike Williamson, Dajun Zeng, Keith Decker
Issue Date:December 1996
pp. 36-46
In Retsina, the authors have developed a distributed collection of software agents that cooperate asynchronously to perform goal-directed information retrieval and integration for supporting a variety of decision-making tasks. Examples for everyday organiz...
 
Modeling information diffusion over social networks for temporal dynamic prediction
Found in: Proceedings of the 22nd ACM international conference on Conference on information & knowledge management (CIKM '13)
By Anika Gupta, Dong Li, Hong Chen, Yishu Luo, Katia Sycara, Lei Hu, Sheng Li, Shengmei Luo, Zhiming Xu
Issue Date:October 2013
pp. 1477-1480
How to model the process of information diffusion in social networks is a critical research task. Although numerous attempts have been made for this study, few of them can simulate and predict the temporal dynamics of the diffusion process. To address this...
     
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