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Browsing College of Arts and Sciences by Title
Now showing items 301-320 of 1265
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1996-02)Adaptive resonance theory (ART) models have been used for learning and prediction in a wide variety of applications. Winner-take-all coding allows these networks to maintain stable memories, but this type of code representation ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1991-02)
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1996-01)A class of adaptive resonance theory (ART) models for learning, recognition, and prediction with arbitrarily distributed code representations is introduced. Distributed ART neural networks combine the stable fast learning ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-03)The distributed outstar, a generalization of the outstar neural network for spatial pattern learning, is introduced. In the outstar, signals from a source node cause weights to learn and recall arbitrary patterns across a ...
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(Boston University Computer Science Department, 1998-02-01)To construct high performance Web servers, system builders are increasingly turning to distributed designs. An important challenge that arises in distributed Web servers is the need to direct incoming connections to ...
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(Boston University Computer Science Department, 1996-03-07)Programmers of parallel processes that communicate through shared globally distributed data structures (DDS) face a difficult choice. Either they must explicitly program DDS management, by partitioning or replicating it ...
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(Boston University Computer Science Department, 2006-07-14)The effectiveness of service provisioning in largescale networks is highly dependent on the number and location of service facilities deployed at various hosts. The classical, centralized approach to determining the latter ...
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(Boston University Computer Science Department, 2006-02-07)Although cooperation generally increases the amount of resources available to a community of nodes, thus improving individual and collective performance, it also allows for the appearance of potential mistreatment problems ...
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(BioMed Central, 2010-2-24)BACKGROUND. Picophytoplankton (i.e. cyanobacteria and pico-eukaryotes) are abundant and ecologically critical components of the autotrophic communities in the pelagic realm. These micro-organisms colonized a variety of ...
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(Boston University Computer Science Department, 2007)Forwarding in DTNs is a challenging problem. We focus on the specific issue of forwarding in an environment where mobile devices are carried by people in a restricted physical space (e.g. a conference) and contact patterns ...
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(Boston University Computer Science Department, 2001)This paper proposes a novel protocol which uses the Internet Domain Name System (DNS) to partition Web clients into disjoint sets, each of which is associated with a single DNS server. We define an L-DNS cluster to be a ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2006-10)Under natural viewing conditions, a single depthful percept of the world is consciously seen. When dissimilar images are presented to corresponding regions of the two eyes, binocular rivalry may occur, during which the ...
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(The Royal Society, 2009-8-19)Why some lineages have diversified into larger numbers of species than others is a fundamental but still relatively poorly understood aspect of the evolutionary process. Coevolution has been recognized as a potentially ...
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(Hartford Institute for Religion Research, 2001)
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(BioMed Central, 2009-1-20)BACKGROUND. Msx originated early in animal evolution and is implicated in human genetic disorders. To reconstruct the functional evolution of Msx and inform the study of human mutations, we analyzed the phylogeny and synteny ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-02)The "teaching signal" that modulates reinforcement learning at cortico-striatal synapses may be a sequence composed of an adaptively scaled DA burst, a brief ACh burst, and a scaled ACh pause. Such an interpretation is ...
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(BioMed Central, 2008-6-10)BACKGROUND. Minor alleles of the human dopamine receptor polymorphisms, DRD2/TaqI A and DRD4/48 bp, are related to decreased functioning and/or numbers of their respective receptors and have been shown to be correlated ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 2007-12)Animals are motivated to choose environmental options that can best satisfy current needs. To explain such choices, this paper introduces the MOTIVATOR (Matching Objects To Internal Values Triggers Option Revaluations) ...
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(Boston University Computer Science Department, 2004-07-07)We leverage the buffering capabilities of end-systems to achieve scalable, asynchronous delivery of streams in a peer-to-peer environment. Unlike existing cache-and-relay schemes, we propose a distributed prefetching ...
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(Boston University Center for Adaptive Systems and Department of Cognitive and Neural Systems, 1993-01)Recognition of objects in complex visual scenes is greatly simplified by the ability to segment features belonging to different objects while grouping features belonging to the same object. This feature-binding process can ...
Now showing items 301-320 of 1265
