Multi dimensional range query evaluation for distributed hash table based peer to peer systems
Multi dimensional range query evaluation for distributed hash table based peer to peer systems
... MULIT-DIMENSIOANL RANGE QUERY EVALUATION FOR DISTRIBUTED HASH TABLE BASED PEER- TO -PEER SYSTEMS ZHANG GONG (B Sci., Xi'an JiaotongUniversity, China) A THESIS SUBMITTED FOR THE DEGREE OF MASTER ... idea of Distributed Hash Table impoverishes the query facility Distributed hash table is essentially a decentralized and distributed hash table The most notable functionality of hash table is ... multi- dimensional rang query and one -dimensional query is one special form of multi- dimensional query To our knowledge, this is the first approach that supports multi- dimensional range query processing...
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Algorithms for multi point range query and reverse nearest neighbour search
... the multi- point range query for both internal and external memory cases, and the introduction of the MPRQ algorithm, an efficient algorithm for the processing of range query with multiple points ... heuristics and R-tree bulkloading algorithms between the multi- point range query and the traditional repeated range query .58 Table Different software components widely used for research in ... object candidates [KMNP99] or sites [SoRo01]) near to these query points, where the searching mechanism for all query points is identical and related, and the results of that proximity query must...
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Multi dimensional resource allocation strategy for large scale computational grid systems
... 17 Grid Computing Model 19 2.1 Resource Environment for Grid Computing 19 2.2 Failure Model for Grid Computing 21 2.3 Performance measures ... to as Multi- Dimension Resource Scheduling (MRS) strategy that would enable jobs with multiple resource requirements to be run effectively on a Grid Computing Environment (GCE) A job’s resource ... GCE 22 Resource view of physical environment with access considerations 22 Resource Life Cycle Model for resources in the GCE 24 Flattened network view of resources for computation...
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Báo cáo hóa học: "Research Article A Novel Distributed Privacy Paradigm for Visual Sensor Networks Based on Sharing Dynamical Systems" pptx
... or capturing the same scene at approximately the same camera orientation A security goal of each node in a cluster is to send partial visual information, which we call shares to a base station ... practicality Finally, we note that our paradigm is geared towards visual data, or any kind of data whose semantics are not destroyed by small perturbations The inherent redundant nature of visual data offers ... note that our analogy partitions an image spatially, whereas in TANGRAM, partitioning is performed at the pixel level This is because spatial partitions may still reveal some semantic content...
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A read only distributed hash table
... the value is the address (location) of the file DHT works in a similar way as hash tables Whereas a hash table assigns every key-value pair onto a bucket, DHT assigns every key-value pair onto a ... optimizations to Midas query engine, namely incremental search and search-key elimination We evaluate R-DHT and Midas through analytical and simulation analysis Our main findings are as follows Firstly, ... learning ii Abstract Distributed hash table (DHT) is an infrastructure to support resource discovery in large distributed system In DHT, data items are distributed across an overlay network based...
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Capacity evaluation for ad hoc networks with end to end delay constraints
... number of connections for telephone system Performance Evaluation Pure Ad Hoc Networks Networks Capacity Delay- Tolerant Services Hybrid Ad Hoc Networks Protocols Performance Delay- Sensitive Services ... factors affecting the performance of ad hoc networks Taxonomy for performance evaluation of ad hoc networks is presented in Figure 2.1 In the taxonomy, we classify general ad hoc networks into ... the network capacity with end- to -end delay constraints From their results, we can infer that the capacity degrades when the end- toend delay constraints are guaranteed As mentioned before, the transmission...
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Báo cáo khoa học: "A Flexible Stand-Off Data Model with Query Language for Multi-Level Annotation" ppt
... concise way to formulate certain types of queries for multi-level annotated corpora Queries are automatically converted into the underlying query language and then executed A query in simplified ... associated query language NXT Search (Heid et al., 2004) is a powerful declarative language for querying diverse relations (incl pointers), supporting quantification and constructs like forall and ... basedata query token consists of a regular expression in single quotes, which must exactly match one basedata element The query ’[Tt]he’ matches all definite articles, but not e.g ether or there For...
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Báo cáo khoa học: "Query Snowball: A Co-occurrence-based Approach to Multi-document Summarization for Question Answering" pot
... the ACLIA1 development data for tuning a parameter for our baseline as shown in Section 4.2 (whereas our proposed method is parameter-free), and the ACLIA1 and ACLIA2 test data for evaluating ... Imamura, Genichiro Kikui, and Manabu Okumura 2010 A Web Page Summarization for Mobile Phones Transactions of the Japanese Society for Artificial Intelligence, 25:133–143 Jagadeesh Jagarlamudi, Prasad ... of the tac 2008 opinion question answering and summarization tasks In Proceedings of Text Analysis Conference Elena Filatova and Vasileios Hatzivassiloglou 2004 A formal model for information selection...
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Báo cáo hóa học: " Research Article Design and Performance Evaluation of an Adaptive Resource Management Framework for Distributed Real-Time and Embedded Systems" pptx
... between resource management algorithms and middleware platforms and improve flexibility (iii) Design of a framework determines its performance and applicability The design of key modules and entities ... analyze, and implement centralized adaptive resource management algorithms that manage an entire system than it is to design, analyze, and implement decentralized adaptive resource management ... between resource management algorithms and middleware platforms and improve flexibility, this paper presents an adaptive resource management framework for open DRE systems Contributions of this...
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presentation and analysis of a multi-dimensional interpolation function for non-uniform data microsphere projection
... PRESENTATION AND ANALYSIS OF A MULTI-DIMENSIONAL INTERPOLATION FUNCTION FOR NON-UNIFORM DATA: MICROSPHERE PROJECTION William Dudziak Thesis Approved: Accepted: Advisor Yingcai Xiao Dean of ... and methods discussed in this paper are various forms of exact interpolation functions Exact Functional Approximation Inexact Functional Approximation Figure 1.1 Comparison of exact and inexact ... EXISTING NON-UNIFORM DATA INTERPOLATION METHODS Non-uniform data interpolation is a well-researched field with a wide variety of existing algorithms These algorithms have may strengths and weaknesses...
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Multi-dynamic absorber effect for quenching the self-excited vibrations of mechanical systems with distributed parameters
... , where p is the mass per unit length of the beam material, E is Y oung’s m o d u lu s, and I is the m om ent of inertia of the cross section of the beam The other notations have the same m eanings ... to the equilibrium of the sy s te m under consideration is stable if MULTI-DYNAMIC ABSORBER E F F E C T R ecalling the form ula ( l ) for the “negative” friction force one can see th a t the ... SO th a t the natural frequency of the strinK-absorbers system not coincide with those of either string or absorbers taken separately Now the functions Y,,(x) may be written ill the form w ^ 0)2...
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Multi dimensional volume rendering for PC based medical simulation
... information of examining structures This technique is called multimodality rendering Both volume rendering and surface rendering techniques can be used for multimodality rendering 1.4 Volume Rendering ... Mathematical Models for Volume Rendering 14 2.3 Three -Dimensional Volume Rendering 19 2.3.1 2.3.2 2.3.3 19 27 28 2.4 Fundamental 3D Volume Rendering Algorithms and Optimizations Parallel Volume Rendering ... threedimensional (3D) and four -dimensional (4D) rendering, for the PC- based medical simulation systems Parallel processing and hardware-accelerated methods of visualization for full view rendering...
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Developement of Multi-Agent system (MAS) model for Bac Lieu case study
... the ability to recognize points of intervention and to construct a bank of options for resource management” The role of modeling is formulated in this context: “Modeling proceeds iteratively by ... given needs the model helps the management of different sluices The main potential input of multi-agent modelling is the representation of decisionmaking process The bio-physical model does not ... are sold to traders As one of the driving forces is the price, it is important to capture the set of interactions for the two commodity chains The model of interactions for the rice is the following:...
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