"problem" : 686 results during the last 30 days
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29 Aug 20 : 39 | Ground states of 2d +-J Ising spin glasses via stationary Fokker-Planck... (28 Aug 2008)We investigate the performance of the recently proposed stationary Fokker-Planck sampling method considering a combinatorial optimization problem from statistical physics. The algorithmic procedure relies upon the numerical solution of a linear second order differential equation that... Source : CiteULike: Everyone's library 89 minutes ago |
29 Aug 19 : 58 | The Optimal Exploration and Production of Nonrenewable Resources The Journal of Political Economy, Vol. 86, No. 5. (1978), pp. 841-861.Most studies of nonrenewable resource production and pricing assume there is a fixed reserve base to be exploited over time, but in fact, with economic incentives reserves can be increased. Here we treat the reserve base as the... Source : CiteULike: Everyone's library 2 hours ago |
28 Aug 22 : 40 | Sign problem? No problem -- a conjecture (23 Aug 2008)We investigate the Euclidean path integral formulation of QCD at finite baryon density. We show that the partition function Z can be written as the difference between two sums, each of which defines a partition function with positive weights. We argue that at most points on the phase... Source : CiteULike: Everyone's library 23 hours ago |
29 Aug 16 : 29 | Beyond the search process - Exploring group members' information behavior... Information Processing & Management, Vol. In Press, Corrected ProofThis paper reports on the findings from a longitudinal case study exploring Kuhlthau's information search process (ISP)-model in a group based academic setting. The research focus is on group members' activities and cognitive and... Source : CiteULike: Everyone's library 6 hours ago |
29 Aug 15 : 30 | Pricing differentiated services: A game-theoretic approach Computer Networks, Vol. 50, No. 7. (15 May 2006), pp. 982-1002.The goal of this paper is to study pricing of differentiated services and its impact on the choice of service priority at equilibrium. We consider both TCP connections as well as noncontrolled (real-time) connections. The performance... Source : CiteULike: Everyone's library 7 hours ago |
29 Aug 15 : 24 | Optimal pricing for multiple services in telecommunications networks... IEEE/ACM Trans. Netw., Vol. 11, No. 1. (2003), pp. 66-80.We consider pricing for multiple services offered over a single telecommunications network. Each service has quality-of-service (QoS) requirements that are guaranteed to users. Service classes may be defined by the type of service, such as... Source : CiteULike: Everyone's library 7 hours ago |
29 Aug 15 : 13 | Demand management for telecommunications services Computer Networks, Vol. 51, No. 12. (22 August 2007), pp. 3507-3524.In this paper we develop a novel method of controlling the demand in a multi-class, QoS-enabled network, using pricing and resource allocation for income maximisation. We first present a solution to the problem of calculating the... Source : CiteULike: Everyone's library 7 hours ago |
28 Aug 01 : 15 | Kant and the Problem of Metaphysics (Studies in Continental Thought) '...one of Heidegger's most important and extraordinary works...indispensable for anyone interested in Heidegger's thought as well as in current trends in hermeneutics, ethics, and political philosophy' - "Interpretation". '"Kant and the Problem of Metaphysics" is among the most important readings... Source : CiteULike: Everyone's library 45 hours ago |
29 Aug 14 : 35 | Power Awareness in Network Design and Routing INFOCOM 2008. The 27th Conference on Computer Communications. IEEE (2008), pp. 457-465.Exponential bandwidth scaling has been a fundamental driver of the growth and popularity of the Internet. However, increases in bandwidth have been accompanied by increases in power consumption, and despite... Source : CiteULike: Everyone's library 8 hours ago |
29 Aug 14 : 19 | Identification of genes differentially expressed in benign versus malignant... Clinical cancer research : an official journal of the American Association for Cancer Research, Vol. 14, No. 11. (1 June 2008), pp. 3327-3337.PURPOSE: Although fine-needle aspiration biopsy is the most useful diagnostic tool in evaluating a thyroid nodule, preoperative diagnosis of thyroid nodules... Source : CiteULike: Everyone's library 8 hours ago |
29 Aug 13 : 57 | Joint-dependent local deformations for hand animation and object grasping (1988), pp. 26-33.Algorithms and methods are presented for animating the hands of a synthetic actor. The algorithms allow not only to move the hand and grasp objects, but also to compute deformations of the hand as it moves, for example: rounding at joints and muscle inflations. The mapping of... Source : CiteULike: Everyone's library 8 hours ago |
29 Aug 12 : 59 | Rethinking Grounding Understanding Representation in the Cognitive Sciences (2000), pp. 177-190.The grounding problem is, generally speaking, the problem of how to embed an artificial agent into its environment such that its behaviour, as well as the mechanisms, representations, etc. underlying it, can be intrinsic and... Source : CiteULike: Everyone's library 9 hours ago |
29 Aug 11 : 46 | Belief Propagation and Beyond for Particle Tracking (6 Jun 2008)We describe a novel approach to statistical learning from particles tracked while moving in a random environment. The problem consists in inferring properties of the environment from recorded snapshots. We consider here the case of a fluid seeded with identical passive particles that... Source : CiteULike: Everyone's library 10 hours ago |
29 Aug 11 : 37 | Occlusion and the perception of coherent motion. Vision research, Vol. 31, No. 11. (1991), pp. 1967-1978.Recent work (Shimojo, Silverman & Nakayama, 1989; Vision Research, 29, 619-626) suggests that the visual system must discriminate between extrinsic boundaries (boundaries created by front occluding surfaces) and intrinsic boundaries (real... Source : CiteULike: Everyone's library 11 hours ago |
27 Aug 13 : 20 | Evidence base of clinical diagnosis: Clinical problem solving and... BMJ, Vol. 324, No. 7339. (23 March 2002), pp. 729-732.10.1136/bmj.324.7339.729 Source : CiteULike: Everyone's library |
29 Aug 09 : 58 | Globally Consistent Range Scan Alignment for Environment Mapping Autonomous Robots (October 1997), pp. 333-349.A robot exploring an unknown environment may need to build a world model from sensor measurements. In order to integrate all the frames of sensor data, it is essential to align the data properly. An incremental approach has been typically used in the... Source : CiteULike: Everyone's library 12 hours ago |
29 Aug 08 : 40 | Private Actors and the State: Internationalization and Changing Patterns of... Governance, Vol. 15, No. 1. (2002), pp. 41-63.This article investigates the implications of political and economic internationalization on patterns of governance from a statecentric perspective. The actual patterns of governance in internationalized environments can be related to the respective... Source : CiteULike: Everyone's library 13 hours ago |
26 Aug 11 : 09 | MAX-MIN Ant System and local search for the traveling salesman problem Evolutionary Computation, 1997., IEEE International Conference on (1997), pp. 309-314.Ant System is a general purpose algorithm inspired by the study of the behavior of ant colonies. It is based on a cooperative search paradigm that is applicable to the solution of combinatorial optimization... Source : CiteULike: Everyone's library |
26 Aug 19 : 09 | Public and private high schools: Is school choice an answer to the... Economics of Education Review, Vol. 15, No. 2. (April 1996), pp. 93-109.Using data drawn from NELS88, this paper attempts to help answer the question of whether public-private school choice is a policy that would help improve the overall achievement of students. Separate models of achievement for... Source : CiteULike: Everyone's library |
26 Aug 12 : 26 | The Early History of the Visibility Problem Appl. Opt., Vol. 3, No. 5. (1 May 1964), pp. 599-602. Source : CiteULike: Everyone's library |
29 Aug 06 : 00 | Optimal State Discrimination in Generic Probability Models (28 Aug 2008)We investigate a state discrimination problem in generic probability models which include both classical and quantum theory. Closely related family of ensembles (which we call a Helstrom family of ensembles) with the problem is introduced and we provide a geometrical method to find an... Source : CiteULike: Everyone's library 16 hours ago |
29 Aug 06 : 00 | A lower bound on the dimension of a quantum system given measured data (28 Aug 2008)We imagine an experiment on an unknown quantum mechanical system in which the system is prepared in various ways and a range of measurements are performed. For each measurement M and preparation rho the experimenter can determine, given enough time, the probability of a given outcome a:... Source : CiteULike: Everyone's library 16 hours ago |
25 Aug 16 : 08 | HapCUT: an efficient and accurate algorithm for the haplotype assembly... Bioinformatics, Vol. 24, No. 16. (15 August 2008), pp. i153-159.Motivation: The goal of the haplotype assembly problem is to reconstruct the two haplotypes (chromosomes) for an individual using a mix of sequenced fragments from the two chromosomes. This problem has been shown to be computationally... Source : CiteULike: Everyone's library |
29 Aug 04 : 02 | Towards a Global Human Embryonic Stem Cell Bank The American Journal of Bioethics, Vol. 7, No. 8. (2007), pp. 37-44.An increasingly unbridgeable gap exists between the supply and demand of transplantable organs. Human embryonic stem cell technology could solve the organ shortage problem by restoring diseased or damaged tissue across a range of... Source : CiteULike: Everyone's library 18 hours ago |
29 Aug 03 : 56 | Impact of sensor-enhanced mobility prediction on the design of... Ad Hoc Networks, Vol. 6, No. 8. (November 2008), pp. 1221-1237.Energy efficiency and positional accuracy are often contradictive goals. We propose to decrease power consumption without sacrificing significant accuracy by developing an energy-aware localization that adapts the sampling rate to... Source : CiteULike: Everyone's library 18 hours ago |
29 Aug 00 : 34 | Classical Recursion Theory: The Theory of Functions and Sets of Natural... (04 February 1992)1988 marked the first centenary of Recursion Theory, since Dedekind's 1888 paper on the nature of number. Now available in paperback, this book is both a comprehensive reference for the subject and a textbook starting from first principles. Among the subjects covered are: various... Source : CiteULike: Everyone's library 22 hours ago |
28 Aug 23 : 03 | Tuning the Performance of the MMAS Heuristic Vol. 4638 (2007), pp. 46-60.Abstract. This paper presents an in-depth Design of Experiments (DOE) methodology for the performance analysis of a stochastic heuristic. The heuristic under investigation is Max-Min Ant System (MMAS) for the Travelling Salesperson Problem (TSP). Specifically, the... Source : CiteULike: Everyone's library 23 hours ago |
28 Aug 22 : 06 | Signal-selective time-difference of arrival estimation for passive location... Signal Processing, IEEE Transactions on, Vol. 40, No. 5. (1992), pp. 1185-1197.For pt.I see ibid., vol.40, no.5 p.1168 (1992). For the problem of estimating time difference of arrival (TDOA) of radio waves impinging on a pair of antennas for the purpose of passively locating the source of a... Source : CiteULike: Everyone's library 24 hours ago |
28 Aug 21 : 39 | Learning to Control in Operational Space The International Journal of Robotics Research, Vol. 27, No. 2. (1 February 2008), pp. 197-212.One of the most general frameworks for phrasing control problems for complex, redundant robots is operational-space control. However, while this framework is of essential importance for robotics and well... Source : CiteULike: Everyone's library 24 hours ago |
28 Aug 22 : 06 | Signal-selective time-difference-of-arrival estimation for passive location... Signal Processing, IEEE Transactions on, Vol. 40, No. 5. (1992), pp. 1168-1184.For the problem of estimating time difference of arrival (TDOA) of radio waves impinging on a pair of antennas for the purpose of passively locating the source of a communications or telemetry signal in the presence of... Source : CiteULike: Everyone's library 24 hours ago |
28 Aug 20 : 15 | Novel methods of sampling phase space in the simulation of biological... Current opinion in structural biology, Vol. 7, No. 2. (April 1997), pp. 181-189.New advances in molecular dynamics and Monte Carlo simulations have led to impressive increases in the speed of sampling phase space for complex biological systems. These methods have been combined with new fast... Source : CiteULike: Everyone's library 26 hours ago |
28 Aug 19 : 48 | Latent Semantic Kernels for WordNet: Transforming a Tree-Like Structure... Advanced Language Processing and Web Information Technology, 2008. ALPIT '08. International Conference on (2008), pp. 76-80.WordNet is one of the most widely used linguistic resources in the computational linguistics society. However, many applications using the WordNet hierarchical structure are... Source : CiteULike: Everyone's library 26 hours ago |
28 Aug 19 : 22 | Combining Possibly Related Estimation Problems Journal of the Royal Statistical Society. Series B (Methodological), Vol. 35, No. 3. (1973), pp. 379-421.We have two sets of parameters we wish to estimate, and wonder whether the James-Stein estimator should be applied separately to the two sets or once to the combined problem. We show that there... Source : CiteULike: Everyone's library 27 hours ago |
28 Aug 18 : 05 | MTAP: The Motif Tool Assessment Platform BMC Bioinformatics, Vol. 9, No. Suppl 9. (2008)BACKGROUND:In recent years, substantial effort has been applied to de novo regulatory motif discovery. At this time, more than 150 software tools exist to detect regulatory binding sites given a set of genomic sequences. As the number of software... Source : CiteULike: Everyone's library 28 hours ago |
23 Aug 12 : 13 | Two-impurity Kondo problem for correlated electrons (18 Feb 1997)The behavior of two magnetic impurities coupled to correlated electrons in one dimension is studied using the DMRG technique for several fillings. On-site Coulomb interactions among the electrons lead to a small Kondo screening cloud and an overall suppression of magnetic order. For... Source : CiteULike: Everyone's library |
23 Aug 11 : 09 | The Role of Abdominal Radiography in the Evaluation of the Nontrauma... Radiology, Vol. 248, No. 3. (1 September 2008), pp. 715-716.10.1148/radiol.2483080863 Source : CiteULike: Everyone's library |
28 Aug 15 : 19 | Robust point matching for nonrigid shapes by preserving local neighborhood... Pattern Analysis and Machine Intelligence, IEEE Transactions on, Vol. 28, No. 4. (2006), pp. 643-649.In previous work on point matching, a set of points is often treated as an instance of a joint distribution to exploit global relationships in the point set. For nonrigid shapes, however, the local... Source : CiteULike: Everyone's library 31 hours ago |
28 Aug 15 : 20 | Integrated Risk Analysis for a Commercial Computing Service ipdps, Vol. 0 (2007)Utility computing has been anticipated to be the next generation of computing usage. Users have the freedom to easily switch to any commercial computing service to complete jobs whenever the need arises and simply pay only on usage, without any investment costs. A commercial... Source : CiteULike: Everyone's library 31 hours ago |
28 Aug 11 : 45 | An efficient on-column expressed protein ligation strategy: Application to... Protein Sci, Vol. 17, No. 4. (1 April 2008), pp. 736-747.Expressed protein ligation (EPL) is an intein-based approach that has been used for protein engineering and biophysical studies of protein structures. One major problem of the EPL is the low yield of final ligation product, primarily due to... Source : CiteULike: Everyone's library 34 hours ago |
28 Aug 11 : 26 | Genetic and Hormonal Risk Factors in Breast Cancer J. Natl. Cancer Inst., Vol. 92, No. 14. (19 July 2000), pp. 1126-1135.Breast cancer poses a serious public health problem, and it is hoped that identification of genetic and environmental factors that contribute to the development of breast cancer will enhance prevention efforts. Two breast cancer... Source : CiteULike: Everyone's library 35 hours ago |
28 Aug 09 : 56 | Numerical solution of nonlinear system of second-order boundary value... International Journal of Computer Mathematics, Vol. 85, No. 9. (2008), pp. 1455-1461.A numerical technique is presented for the solution of nonlinear system of second-order boundary value problems. This method uses the cubic B-spline scaling functions. The method consists of expanding the required... Source : CiteULike: Everyone's library 36 hours ago |
28 Aug 04 : 08 | Genesis: A Scalable Self-Evolving Performance Management Framework for... Distributed Computing Systems, 2006. ICDCS 2006. 26th IEEE International Conference on (2006), pp. 33-33.data-center environment, the administrator needs to understand the root-cause of the issue. The growing trend of system virtualization, combined with the need to support end-to-end performance... Source : CiteULike: Everyone's library 42 hours ago |
28 Aug 02 : 08 | Distributed Data Mining in Peer-to-Peer Networks IEEE Internet Computing, Vol. 10, No. 4. (2006), pp. 18-26.Peer-to-peer (P2P) networks are gaining popularity in many applications such as file sharing, e-commerce, and social networking, many of which deal with rich, distributed data sources that can benefit from data mining. P2P networks are, in... Source : CiteULike: Everyone's library 44 hours ago |
28 Aug 01 : 16 | World in Fragments: Writings on Politics, Society, Psychoanalysis, and the... (01 July 1997)This collection presents a broad and compelling overview of the most recent work by a world-renowned figure in contemporary thought. Starting from an inquiry that grows out of the specific context of a society that is experiencing uncertainty as to its ways of living and being, its... Source : CiteULike: Everyone's library 45 hours ago |
27 Aug 23 : 36 | Data mining a diabetic data warehouse. Artificial intelligence in medicine, Vol. 26, No. 1-2. (t 2002), pp. 37-54.Diabetes is a major health problem in the United States. There is a long history of diabetic registries and databases with systematically collected patient information. We examine one such diabetic data warehouse, showing a... Source : CiteULike: Everyone's library 47 hours ago |
27 Aug 22 : 23 | Effective properties of composite materials with periodic microstructure: a... Computer Methods in Applied Mechanics and Engineering, Vol. 172, No. 1-4. (16 April 1999), pp. 109-143.This study reviews several problems which are specific of composites with periodic microstructure composed of linear or nonlinear constituents. The theoretical background of the method is recalled... Source : CiteULike: Everyone's library 48 hours ago |
27 Aug 20 : 52 | Consciousness Meets Neuroeconomics: What Is the Value of Stimulus Awareness... Neuron, Vol. 59, No. 4. (28 August 2008), pp. 525-527.An important question in neuroeconomics is how consciousness affects decision making. In this issue of Neuron, Pessiglione et al. take an initial step toward addressing this question by showing that humans learn to make optimal choices in the... Source : CiteULike: Everyone's library |
27 Aug 19 : 45 | A macroscopic model for species transport during in vitro tissue growth... Chemical Engineering Science, Vol. 59, No. 10. (May 2004), pp. 1949-1964.In this work, we study the possibility of deriving a macroscopic model to describe reaction and transport by diffusion and convection of two species within a porous medium as encountered during in vitro tissue growth. The... Source : CiteULike: Everyone's library |
27 Aug 18 : 10 | Cooperative Routing in Wireless Networks Advances in Pervasive Computing and Networking (2005), pp. 97-117.The joint problem of transmission-side diversity and routing in wireless networks is studied. It is assumed that each node in the network is equipped with a single omni-directional antenna and multiple nodes are allowed to coordinate... Source : CiteULike: Everyone's library |
27 Aug 18 : 27 | Alignment of protein structures in the presence of domain motions BMC Bioinformatics, Vol. 9, No. 1. (2008)BACKGROUND:Structural alignment is an important step in protein comparison. Well-established methods exist for solving this problem under the assumption that the structures under comparison are considered as rigid bodies. However, proteins are flexible... Source : CiteULike: Everyone's library |
