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 Carles Sierra

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Average citations per article12.83
Citation Count2,078
Publication count162
Publication years1991-2017
Available for download42
Average downloads per article377.98
Downloads (cumulative)15,875
Downloads (12 Months)780
Downloads (6 Weeks)94
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162 results found Export Results: bibtexendnoteacmrefcsv

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1 published by ACM
August 2017 ACM Computing Surveys (CSUR): Volume 50 Issue 4, November 2017
Publisher: ACM
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 45,   Downloads (12 Months): 237,   Downloads (Overall): 237

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Trust allows the behavior evaluation of individuals by setting confidence values, which are used in decisions about whether or not to interact. They have been used in several fields, and many trust and reputation models were developed recently. We perceived that most of them were built upon the numeric and ...
Keywords: affective computing, affective paradigm, Trust model, reputation

2
July 2017 Applied Intelligence: Volume 47 Issue 1, July 2017
Publisher: Kluwer Academic Publishers
Bibliometrics:
Citation Count: 0

Existing work on Automated Negotiations commonly assumes the negotiators' utility functions have explicit closed-form expressions, and can be calculated quickly. In many real-world applications however, the calculation of utility can be a complex, time-consuming problem and utility functions cannot always be expressed in terms of simple formulas. The game of ...
Keywords: Automated Negotiation, Game Theory, Search, Diplomacy, Constraint Optimization

3
May 2017 AAMAS '17: Proceedings of the 16th Conference on Autonomous Agents and MultiAgent Systems
Publisher: International Foundation for Autonomous Agents and Multiagent Systems
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 3,   Downloads (12 Months): 18,   Downloads (Overall): 18

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Effective teams are crucial for organisations, especially in environments that require teams to be constantly created and dismantled, such as software development, scientific experiments, crowd-sourcing, or the classroom. Key factors influencing team performance are competences and personality of team members. Hence, we present a computational model to evaluate proficiency and ...
Keywords: personality, approximation algorithms, team formation, competence, humans

4
May 2016 TRUST'16: Proceedings of the 18th International Conference on Trust in Agent Societies - Volume 1578
Publisher: CEUR-WS.org
Bibliometrics:
Citation Count: 0

With open access gaining momentum, open reviews becomes a more persistent issue. Institutional and multidisciplinary open access repositories play a crucial role in knowledge transfer by enabling immediate accessibility to all kinds of research output. However, they still lack the quantitative assessment of the hosted research items that will facilitate ...

5
May 2016 AAMAS '16: Proceedings of the 2016 International Conference on Autonomous Agents & Multiagent Systems
Publisher: International Foundation for Autonomous Agents and Multiagent Systems
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 20,   Downloads (Overall): 39

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Consider a person who needs to assess a large amount of information. For instance, think of a teacher of a massive open online course with thousands of enrolled students, or a senior program committee member in a large conference who needs to decide what are the final marks of reviewed ...
Keywords: educational applications, trust and reputation, community assessment, collective intelligence

6
December 2015 Pattern Recognition Letters: Volume 67 Issue P1, December 2015
Publisher: Elsevier Science Inc.
Bibliometrics:
Citation Count: 2

We present a trust model that computes group opinion w.r.t. a given community member.We apply it to the learning domain, and we compute group opinion w.r.t. the teacher.The model decreases the assessment load of teachers by relying on students' assessments.We conduct our experiments on real classroom datasets as well as ...
Keywords: Trust, Online earning, Community assessment

7
November 2015 Engineering Applications of Artificial Intelligence: Volume 46 Issue PA, November 2015
Publisher: Pergamon Press, Inc.
Bibliometrics:
Citation Count: 0

Multiuser museum interactives are computer systems installed in museums or galleries which allow several visitors to interact together with digital representations of artefacts and information from the museum's collection. In this paper, we describe WeCurate, a socio-technical system that supports co-browsing across multiple devices and enables groups of users to ...
Keywords: Argumentation, Negotiation, Collective decision making, Distributed artificial intelligence

8
September 2015 Autonomous Agents and Multi-Agent Systems: Volume 29 Issue 5, September 2015
Publisher: Kluwer Academic Publishers
Bibliometrics:
Citation Count: 0

Existing work on automated negotiations has mainly focused on bilateral negotiations with linear utility functions. It is often assumed that all possible agreements and their utility values are given beforehand. Most real-world negotiations however are much more complex. We introduce a new family of negotiation algorithms that is applicable to ...
Keywords: Negotiating Salesmen Problem, Negotiation, Search, Multilateral, Non-linear utility

9
July 2015 AInF'15: Proceedings of the First International Conference on AI and Feedback - Volume 1407
Publisher: CEUR-WS.org
Bibliometrics:
Citation Count: 0

Consider an evaluator, or an assessor, who needs to assess a large amount of information. For instance, think of a tutor in a massive open online course with thousands of enrolled students, a senior program committee member in a large peer review process who needs to decide what are the ...

10
July 2015 Knowledge-Based Systems: Volume 82 Issue C, July 2015
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 0

'If you go to Ferran Adria's restaurant you will have the time of your life!' 'If you study everyday for two hours you will get very good marks next semester.' These are examples of advice. We say an advice has two components: a plan to perform and a goal to ...
Keywords: Advice, Probability theory, Semantic similarity, Information theory, Trust

11
November 2014 ICTAI '14: Proceedings of the 2014 IEEE 26th International Conference on Tools with Artificial Intelligence
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

Revising its beliefs when receiving new information is an important ability of any intelligent system. However, in realistic settings the new input is not always certain. A compelling way of dealing with uncertain input in an agent-based setting is to treat it as unreliable input, which may strengthen or weaken ...

12
November 2014 ICTAI '14: Proceedings of the 2014 IEEE 26th International Conference on Tools with Artificial Intelligence
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0

When an agent wants to fulfill its desires about the world, the agent usually has multiple plans to choose from and these plans have different pre-conditions and additional effects in addition to achieving its goals. Therefore, for further reasoning and interaction with the world, a plan selection strategy (usually based ...
Keywords: Plan Selection, BDI Agents, Uncertainty Reasoning, Intention Revision

13
August 2014 ECAI'14: Proceedings of the Twenty-first European Conference on Artificial Intelligence
Publisher: IOS Press
Bibliometrics:
Citation Count: 0

We propose a novel trust model for assessing the trustworthiness of advice. We say an advice is composed of a plan to execute and a goal to be fulfilled. The expectation of an advice's outcome is calculated by assessing the probabilities of commiting to and executing the plan, and the ...

14
May 2014 Revised Selected and Invited Papers of the 4th International Workshop on Agent Environments for Multi-Agent Systems IV - Volume 9068
Publisher: Springer-Verlag New York, Inc.
Bibliometrics:
Citation Count: 0

Electronic institutions provide a computational analogue of human institutions to engineer open environments in which agents can interact in an autonomous way while complying with the norms of an institution. The purpose of this paper is twofold. On the one hand, we lightly survey our research on coordination infrastructures for ...

15
April 2014 Decision Support Systems: Volume 60, April, 2014
Publisher: Elsevier Science Publishers B. V.
Bibliometrics:
Citation Count: 3

In this paper we propose HANA, a software architecture for agents that need to bilaterally negotiate joint plans of action in realistic scenarios. These negotiations may involve humans and are repeated along time. The architecture is based on a BDI model that represents the uncertainty on the environment as graded ...
Keywords: Multiagent systems, Automated negotiation, Agent architecture, Diplomacy Game, Practical reasoning, Search&negotiation

16 published by ACM
January 2014 ACM Transactions on Intelligent Systems and Technology (TIST) - Special Section on Intelligent Mobile Knowledge Discovery and Management Systems and Special Issue on Social Web Mining: Volume 5 Issue 1, December 2013
Publisher: ACM
Bibliometrics:
Citation Count: 4
Downloads (6 Weeks): 4,   Downloads (12 Months): 25,   Downloads (Overall): 245

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This article addresses the problem of finding suitable agents to collaborate with for a given interaction in distributed open systems, such as multiagent and P2P systems. The agent in question is given the chance to describe its confidence in its own capabilities. However, since agents may be malicious, misinformed, suffer ...
Keywords: trust and reputation, Semantic matching

17
August 2013 IJCAI '13: Proceedings of the Twenty-Third international joint conference on Artificial Intelligence
Publisher: AAAI Press
Bibliometrics:
Citation Count: 0

Just as conventional institutions are organisational structures for coordinating the activities of multiple interacting individuals, electronic institutions provide a computational analogue for coordinating the activities of multiple interacting software agents. In this paper, we argue that open multi-agent systems can be effectively designed and implemented as electronic institutions, for which ...

18
August 2013 AT'13: Proceedings of the Second international conference on Agreement Technologies
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 0

Wireless Sensor Networks when deployed in inaccessible or remote areas require sensing and communication algorithms that minimise energy consumption. This is needed to reduce battery replacement costs. At the same time, the information transmitted to the sink has to be good enough in order to make timely decisions on the ...
Keywords: sensor coalitions, wireless sensor networks, resourse saving strategies

19
August 2013 AT'13: Proceedings of the Second international conference on Agreement Technologies
Publisher: Springer-Verlag
Bibliometrics:
Citation Count: 3

Every social network has its own fixed, but different, set of rules that apply to all users. This reflects the fact that in real life every community has different norms depending on the relationships between its members. Unfortunately this has required people to create many different social networks that exist ...

20 published by ACM
June 2013 dg.o '13: Proceedings of the 14th Annual International Conference on Digital Government Research
Publisher: ACM
Bibliometrics:
Citation Count: 2
Downloads (6 Weeks): 4,   Downloads (12 Months): 15,   Downloads (Overall): 124

Full text available: PDFPDF
Following the open government trend and based on its three principles -- collaboration, transparency and participation; participation initiatives are been conducted by many governments around the world. Despite the wide range and variety of such initiatives, most of them face a common technical challenge -- lack of technical tools to ...
Keywords: agreement technologies, e-participation, electronic governance, social media



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