Chancellery Research - Research Publications
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ItemCache-conscious collision resolution in string hash tables(SPRINGER-VERLAG BERLIN, 2005)
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ItemHow situated is your agent? a cognitive perspective(Springer Verlag, 2009)Software agents are situated in an environment with which they interact reactively or in a goal-directed fashion. Generally, such environments do not assume a structure, hence are deemed to be unpredictable. Recent approaches adopt an environment model where artifacts form the building blocks. Artifacts represent functional components that an agent can exploit for reaching its goals. It has been argued that software agents can improve/amend their capabilities at run time through the use of (new) artifacts as possible means. We argue that such a run time adaptation by the agents can be realized by creating an appropriate relationship between agent reasoning and the functionality of the artifacts. We have coined the term extrospection to refer to the act of an agent reasoning about the tools. In this paper, we first identify the features of extrospection, then, we extend the belief, desire, intention (BDI) agent deliberation cycle to encompass extrospection.
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ItemDesign and Analysis of Organization Adaptation in Agent Systems(Wiley, 2010-02-12)
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ItemOn the benefits of exploiting underlying goals in argument-based negotiation(Association for the Advancement of Artificial Intelligence, 2007-11-28)
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ItemEntropy of the Retina Template(SPRINGER-VERLAG BERLIN, 2009)
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ItemMatilda: A visual tool for modeling with Bayesian networks(WILEY, 2006-11)
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ItemMethodologies for evaluation of note-based music-retrieval systems(INFORMS, 2006-01-01)There have been many proposed music-retrieval systems, based on a variety of principles. How the effectiveness of these systems compares is not clear. The evaluation of some systems has been informal, without the rigor applied in other areas of information retrieval, and comparison of systems is difficult because of the lack of a common data set, queries, or relevance judgments. In this paper we explain how we collected artificial and expert music queries and name-based relevance judgments, and describe software we developed for collection of manual relevance judgments. Together with a collection of downloaded musical instrument digital interface (MIDI) files, these sets of queries and relevance judgments provide valuable tools for measuring music-retrieval systems. As an example of the value of these tools, we use them to compare the effect of using the expert queries and manual judgments to that of the artificial queries and manual judgments used in our earlier experiments.
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ItemA formal analysis of interest-based negotiation(SPRINGER, 2009-04)
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ItemA taxonomy of suffix array construction algorithms(ASSOC COMPUTING MACHINERY, 2007)In 1990, Manber and Myers proposed suffix arrays as a space-saving alternative to suffix trees and described the first algorithms for suffix array construction and use. Since that time, and especially in the last few years, suffix array construction algorithms have proliferated in bewildering abundance. This survey paper attempts to provide simple high-level descriptions of these numerous algorithms that highlight both their distinctive features and their commonalities, while avoiding as much as possible the complexities of implementation details. New hybrid algorithms are also described. We provide comparisons of the algorithms' worst-case time complexity and use of additional space, together with results of recent experimental test runs on many of their implementations.