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  • 1
    Online Resource
    Online Resource
    Fairfax :IOS Press, Incorporated,
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (1056 pages)
    Edition: 1st ed.
    ISBN: 9781614990987
    Series Statement: Frontiers in Artificial Intelligence and Applications Series ; v.242
    DDC: 006.30940072
    Language: English
    Note: Title Page -- Introduction -- Conference Organization, Sponsorship and Support -- Invited Speakers -- ECAI Area Chairs, ECAI Program Committee -- PAIS Program Committee, System Demonstrations Track -- Contents -- Keynote Talks -- Probabilistic Techniques for Mobile Robot Navigation -- Generalized Decision Diagrams: The Game Is Not Over Yet! -- Never Ending Learning -- Bad Equilibria (and what to Do About Them) -- Frontiers of Artificial Intelligence -- Executable Logic for Dialogical Argumentation -- Computational Creativity: The Final Frontier? -- Recent Advances in Imprecise-Probabilistic Graphical Models -- Lifted Probabilistic Inference -- Developmental Mechanisms for Autonomous Life-Long Learning in Robots -- Robot Skill Learning -- ECAI Long Papers -- Conservative Social Laws -- Finding and Proving the Optimum: Cooperative Stochastic and Deterministic Search -- DL-Lite with Attributes and Datatypes -- Towards a Complete Classical Music Companion -- LoCo - A Logic for Configuration Problems -- Using Learning to Rank Approach for Parallel Corpora Based Cross Language Information Retrieval -- Macros, Reactive Plans and Compact Representations -- From Macro Plans to Automata Plans -- Multirelational Consensus Clustering with Nonnegative Decompositions -- Verification of Description Logic Knowledge and Action Bases -- Nested Monte-Carlo Tree Search for Online Planning in Large MDPs -- Markov Constraints for Generating Lyrics with Style -- Trust-Based Solution for Robust Self-Configuration of Distributed Intrusion Detection Systems -- What Does It Take to Enforce an Argument? Minimal Change in Abstract Argumentation -- The Possible Winner Problem with Uncertain Weights -- Representing Value Functions with Recurrent Binary Decision Diagrams. , An O(n log n) Bound Consistency Algorithm for the Conjunction of an alldifferent and an Inequality between a Sum of Variables and a Constant, and its Generalization -- Hybrid Possibilistic Conditioning for Revision Under Weighted Inputs -- Three-Valued Possibilistic Networks -- Implementing and Evaluating Provers for First-Order Modal Logics -- Heuristically Accelerated Reinforcement Learning: Theoretical and Experimental Results -- Learning Rules of Simplified Boardgames by Observing -- A Reinforcement-Learning Algorithm for Sampling Design in Markov Random Fields -- A Protocol Based on a Game-Theoretic Dilemma to Prevent Malicious Coalitions in Reputation Systems -- Iterative Algorithm for Solving Two-Player Zero-Sum Extensive-Form Games with Imperfect Information -- Interval Temporal Logics over Finite Linear Orders: The Complete Picture -- Natural Language Arguments: A Combined Approach -- Preference Extraction from Negotiation Dialogues -- Planning as Quantified Boolean Formula -- Speeding Up 2-Way Number Partitioning -- An Efficient and Adaptive Approach to Negotiation in Complex Environments -- Combining DRA and CYC into a Network Friendly Calculus -- On Exploiting Structures of Classical Planning Problems: Generalizing Entanglements -- Ideal Point Guided Iterative Deepening -- Opportunistic Branched Plans to Maximise Utility in the Presence of Resource Uncertainty -- A SAT-Based Approach for Discovering Frequent, Closed and Maximal Patterns in a Sequence -- Compression-Based AODE Classifiers -- Bounded Single-Peaked Width and Proportional Representation -- When Intelligence Is Just a Matter of Copying -- Context-Aware Access Control for RDF Graph Stores -- Decision-Making with Sugeno Integrals: DMU vs. MCDM -- An Analysis of Chaining in Multi-Label Classification -- A Study of Local Minimum Avoidance Heuristics for SAT. , Symbolic A* Search with Pattern Databases and the Merge-and-Shrink Abstraction -- Preferring Properly: Increasing Coverage While Maintaining Quality in Anytime Temporal Planning -- Weighted Manipulation for Four-Candidate Llull Is Easy -- Agent Strategies for ABA-Based Information-Seeking and Inquiry Dialogues -- Guiding User Choice During Discussion by Silence, Examples and Justifications -- Combining Bootstrapping and Feature Selection for Improving a Distributional Thesaurus -- Argumentation-Based Reinforcement Learning for RoboCup Soccer Keepaway -- Case-Based Planning for Problems with Real-Valued Fluents: Kernel Functions for Effective Plan Retrieval -- A Bayesian Multiple Kernel Learning Framework for Single and Multiple Output Regression -- Approximate Tradeoffs on Matroids -- Process Discovery via Precedence Constraints -- Hard and Easy k-Typed Compact Coalitional Games: The Knowledge of Player Types Marks the Boundary -- Partial Cooperation in Multi-Agent Local Search -- Towards Generalizing the Success of Monte-Carlo Tree Search Beyond the Game of Go -- Complexity of Branching Temporal Description Logics -- Online Voter Control in Sequential Elections -- Planning with Semantic Attachments: An Object-Oriented View -- Comparator Selection for RPC with Many Labels -- An Anytime Algorithm for Finding the epsilon-Core in Nontransferable Utility Coalitional Games -- Spectrum Enhanced Dynamic Slicing for Better Fault Localization -- SAT vs. Search for Qualitative Temporal Reasoning -- Symmetries in Itemset Mining -- Concepts, Agents, and Coalitions in Alternating Time -- Large-Scale Interactive Ontology Matching: Algorithms and Implementation -- Characterization of Positive and Negative Information in Comparative Preference Representation -- A Ranking Semantics for First-Order Conditionals -- A New Approach to the Snake-In-The-Box Problem. , Delegating Decisions in Strategic Settings -- Reconciling OWL and Non-Monotonic Rules for the Semantic Web -- Hybrid Regression-Classification Models for Algorithm Selection -- Justifying Dominating Options when Preferential Information Is Incomplete -- Fixed-Parameter Algorithms for Closed World Reasoning -- Efficient Reasoning in Multiagent Epistemic Logics -- Knowledge-Based Programs as Plans - The Complexity of Plan Verification -- A Path-Optimal GAC Algorithm for Table Constraints -- Updating Inconsistent Description Logic Knowledge Bases -- Almost-Truthful Mechanisms for Fair Social Choice Functions -- Choosing Combinatorial Social Choice by Heuristic Search -- Creating Features from a Learned Grammar in a Simulated Student -- Width and Serialization of Classical Planning Problems -- Game-Theoretic Approach to Adversarial Plan Recognition -- Here, There, but Not Everywhere: An Extended Framework for Qualitative Constraint Satisfaction -- Inconsistency Handling in Datalog+/- Ontologies -- Fair Division of Indivisible Goods Under Risk -- Improving Local Search for Random 3-SAT Using Quantitative Configuration Checking -- Efficient Norm Emergence Through Experiential Dynamic Punishment -- On Computing Correct Processes and Repairs Using Partial Behavioral Models -- Routing for Continuous Monitoring by Multiple Micro UAVs in Disaster Scenarios -- Diagnosing Delays in Multi-Agent Plans Execution -- Improving Video Activity Recognition Using Object Recognition and Text Mining -- Exploiting Expert Knowledge in Factored POMDPs -- Combining Voting Rules Together -- ExpExpExplosion: Uniform Interpolation in General EL Terminologies -- Tunneling and Decomposition-Based State Reduction for Optimal Planning -- Extending Set-Based Dualization: Application to Pattern Mining -- Nearness Rules and Scaled Proximity. , Discovering Cross-Language Links in Wikipedia Through Semantic Relatedness -- Optimizations for the Boolean Approach to Computing Minimal Hitting Sets -- Hierarchical and Overlapping Co-Clustering of mRNA:miRNA Interactions -- A Robust Approach to Addressing Human Adversaries in Security Games -- Solving Raven's IQ-Tests: An AI and Cognitive Modeling Approach -- Best Reply Dynamics for Scoring Rules -- Complexity of Conditional Planning under Partial Observability and Infinite Executions -- Engineering Efficient Planners with SAT -- Coordinated Exploration with a Shared Goal in Costly Environments -- Strategic and Epistemic Reasoning for the Game Description Language GDL-II -- Deciding Membership in a Class of Polyhedra -- Multiple-Outcome Proof Number Search -- Institutionalised Paxos Consensus -- Introducing Datatypes in DL-Lite -- Convex Solutions of RCC8 Networks -- Propositional Planning as Optimization -- Large-Scale Parallel Stratified Defeasible Reasoning -- Path-Constrained Markov Decision Processes: Bridging the Gap Between Probabilistic Model-Checking and Decision-Theoretic Planning -- A Probabilistic Semantics for Abstract Argumentation -- An Empirical Study of Argumentation Schemes for Deliberative Dialogue -- An Approach to Multi-Agent Planning with Incomplete Information -- Efficient Crowdsourcing of Unknown Experts Using Multi-Armed Bandits -- Logic-Based Benders Decomposition for Alternative Resource Scheduling with Sequence Dependent Setups -- Relation Mining in the Biomedical Domain Using Entity-Level Semantics -- ArvandHerd: Parallel Planning with a Portfolio -- Joint Assessment and Restoration of Power Systems -- Self-Assessing Agents for Explaining Language Change: A Case Study in German -- Detecting Human Patterns in Laser Range Data -- Maxi-Consistent Operators in Argumentation. , Multi-Unit Auctions with a Stochastic Number of Asymmetric Bidders.
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 83 (1979), S. 3323-3325 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 3 (1996), S. 1689-1699 
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Two important effects of long wavelength velocity and density perturbations on stimulated Brillouin scattering (SBS) have been identified: (i) nonlinear interaction of the SBS-produced ion acoustic wave with velocity perturbations provides detuning of the SBS interaction, formation of ion acoustic wave satellites and its additional damping; (ii) harmonic generation of long wavelength density perturbations enhances the spectral density of ion acoustic fluctuations over a wide range of wavevectors, including SBS resonant sound waves. The first effect reduces the magnitude of the SBS gain, and the second one enhances the nonthermal noise level for SBS. Long wavelength ion acoustic perturbations reduce SBS reflectivity more dramatically than short wavelength harmonics produced by the SBS driven nonlinear sound wave. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 3 (1996), S. 111-121 
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Both Zakharov equations and Vlasov equations are solved numerically to study the strong Langmuir turbulence developed in a plasma driven by an external pump field oscillating at the plasma frequency. A steady state turbulence in Vlasov simulations is reached by using open boundary conditions under which hot particles generated by strong caviton fields are replaced by initial cold Maxwellian particles when they cross the boundaries of simulation domain. A similar steady turbulent state in Zakharov simulations is easily achieved by implementing a phenomenological damping model and using periodic boundary conditions. Simulation results of these two different models are compared and investigated. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 9 (2002), S. 1745-1763 
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Kinetic simulations and analysis show that backward stimulated Raman scattering (BSRS), in regimes of large linear Landau damping of the primary Langmuir wave, attains levels greatly exceeding the predictions of models based on fixed damping. These regimes are encountered in plasma conditions expected for target designs to be fielded at the National Ignition Facility [J. D. Lindl, Inertial Confinement Fusion (Springer-Verlag, New York, 1998)]. Trapped electrons in the Langmuir wave have the dual effect of reducing its damping, thereby enhancing the BSRS response, and saturating this response by phase detuning, a consequence of the trapping-induced, time-dependent, frequency shift. BSRS, then, occurs as a train of sub-picosecond pulses, arising from the competition between phase detuning and parametric regeneration. A simple three wave parametric model, including the effect of the nonlinear frequency shift and residual nonlinear damping, reproduces these essential features. A similar scenario applies to backward stimulated Brillouin scattering (BSBS). BSRS activity many orders of magnitude above noise level is found for intense laser speckles even when the primary Langmuir wave number times the Debye length is as high as 0.55. The simulation model consistently accounts for the competition of other instabilities, including BSBS, forward stimulated Raman scattering, and the Langmuir decay instability with cavitation. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The potential for laser-plasma instability is a serious concern for indirect-drive inertial confinement fusion (ICF), where laser beams illuminate the interior of a cavity (called a hohlraum) to produce x-rays for imploding a fusion capsule symmetrically. The speckled nature of laser beams used in ICF is an important factor in laser-plasma instability processes. For example, models which calculate the spatial growth of convective instability by properly accounting for the laser speckles successfully predict the observed onsets of backscattering due to stimulated Brillouin and Raman scattering instabilities (SBS and SRS). Assuming pump depletion as the only saturation mechanism in these models results in very large predicted levels of SBS and SRS backscattering from the long-scale plasmas expected in ignition hohlraums. However, in the long-scale plasmas studied in the Nova and Trident lasers [E. M. Campbell, Rev. Sci. Instrum. 57, 2101 (1986) and N. K. Moncur et al., Appl. Opt. 34, 4274 (1995)], SRS and SBS are observed to saturate much below the levels expected from pump depletion. While the mechanism of SBS saturation is not understood at present, the observations of SRS saturation are qualitatively understood. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Scattering of laser light by stimulated Brillouin scattering (SBS) and stimulated Raman scattering (SRS) is a concern for indirect drive inertial confinement fusion (ICF). The hohlraum designs for the National Ignition Facility (NIF) raise particular concerns due to the large scale and homogeneity of the plasmas within them. Experiments at Nova have studied laser–plasma interactions within large scale length plasmas that mimic many of the characteristics of the NIF hohlraum plasmas. Filamentation and scattering of laser light by SBS and SRS have been investigated as a function of beam smoothing and plasma conditions. Narrowly collimated SRS backscatter has been observed from low density, low-Z, plasmas, which are representative of the plasma filling most of the NIF hohlraum. SBS backscatter is found to occur in the high-Z plasma of gold ablated from the wall. Both SBS and SRS are observed to be at acceptable levels in experiments using smoothing by spectral dispersion (SSD). © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The onset of stimulated Brillouin scattering (SBS) has been examined by varying the effective F number (lens focal length/incident beam diameter) of the optical system used to irradiate a performed 1 mm long, longitudinally uniform hydrocarbon (CH) plasma. SBS onset occurs at higher average laser intensity for smaller F, in qualitative agreement with theory. Quantitative comparison between theory and experiment, and implications for the National Ignition Facility [Phys. Plasmas 2, 2480 (1995)] are discussed. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 2 (1995), S. 76-96 
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A reduced description of strong Langmuir turbulence is derived from the Vlasov–Poisson equations by using an oscillation center transformation that decomposes the distribution function into envelope components which vary slowly on the plasma frequency time scale. The familiar high-frequency response is identified in the context of a basic ordering of small quantities. A generalization of the ion acoustic wave equation to the regime of equal electron and ion temperatures which is valid in this ordering is derived using a three-pole approximant for the collisionless ion susceptibility. The resulting extended Zakharov model is solved numerically in two dimensions for parameters relevant to radio-frequency heating of the ionosphere, producing energy and power spectra of fluctuations that are qualitatively similar to experimental observations. A new local quasilinear equation for the spatial and temporal evolution of the slowly varying part of the oscillation center distribution function is proposed. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 8 (2001), S. 791-801 
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This is the first of two papers comprising a theoretical and observational study of new, altitude-resolved, observations at Arecibo of Langmuir turbulence induced in the ionosphere by a powerful high-frequency (hf) heater operated at very low duty cycles. As shown in paper II [Cheung et al., Phys. Plasmas 8, 802 (2001)], higher power enabled the first observation at Arecibo of the well-developed decay-cascade features in the Thomson scatter radar power spectrum at the unmodified matching altitudes. New theoretical predictions are presented here for the parameters of these observations emphasizing the altitude and pump power dependence of the radar spectra and the time dependence of the spectra from the decaying spectra following heater switch-off. Further details of the strong turbulence signatures from higher altitudes are also presented. At the lower matching altitudes the increase, with hf power, of the angular width of the well-developed decay-cascade spectrum allows these spectral features to come into the view of the Arecibo radar. The favorable comparison of the simulation predictions and observations is discussed in the second paper. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
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