... are much more diverse and complicated Besides, without a novel method of indexing and query processing mechanism, it works well for a small set of nodes and edges only And the paper mainly focused ... verbose and can be difficult for humans to read and understand compared with our proposed graph model and SNGQL Besides, Since result aggregation and path computation are missed from the standard ... database model for storing and retrieving online social-network-related data Standard data models, query languages and access methods, such as the relational model and SQL, are often inefficient...
Ngày tải lên: 04/10/2015, 10:24
... magnitude in processing costs (see [27] for an example), the key of database query processing is to nd the cheapest and fastest query plan 1.1.1 Conventional Query Processing Conventional query processing ... Contents List of Figures Introduction 1.1 Query Processing in Parallel Database Systems 1.1.1 Conventional Query Processing : : : : : 1.1.2 Parallel Query Processing : : : : : : : : 1.2 An Overview ... range partitioning Figure 1.3: Three Basic Declustering Schemes a g CPU h m CPU u z CPU CPU CPU Inter-connection Network CPU round-robin partitioning will bottleneck on the overloaded processor...
Ngày tải lên: 28/04/2014, 13:32
COMPLEX QUERY PROCESSING AND RECOVERY IN DISTRIBUTED SYSTEMS
... complex query processing, simplicity management and resilience to failures In this thesis, we aim to develop effective and efficient solutions to address two challenging issues in epiC: complex query processing ... and the correctness of computation results In this thesis, we mainly focus on two challenging issues in distributed systems: complex query processing and fault tolerance 1.2.2 Complex Query Processing ... On the one hand, efficient algorithms are designed to support both offline data analytics and online query processing On the other hand, various distributed systems are developed to handle various...
Ngày tải lên: 08/09/2015, 15:18
Efficient and effective query processing of complex human motion sequences
... 4.4.3 Clip Query Processing 93 vii 4.5 95 4.5.1 Datasets 95 4.5.2 ϕ-match Query Processing 96 4.5.3 Sketch Query Processing ... Section 1.3, we introduce some problems of query processing over complex spatio-temporal sequences Next, we analyze the challenges of efficient and effective query processing of complex spatio-temporal ... contribution, we are the first to identify some query issues and explore query processing 18 techniques of human motion data, based on subsequence matching and subsequence join of human motion sequences...
Ngày tải lên: 14/09/2015, 14:05
XML query processing indices and histograms
... 15 “XML Query VALUE Figure 1.1: An Example XML Data Model 1.2 The XPath Query Language A variety of query languages [1, 2, 3, 4, 5] have been proposed to query XML data All of these query languages ... nodes, which should be returned by query processing, the complexity of their structures that matters in query processing may differ Depending on the actual query load, some type of nodes may be ... u to v} And given two set of data nodes, A and B, we say that B is stable with respect to A if B is a subset of Succ(A) or B and Succ(A) are disjoint If we have two node sets, A and B, and we...
Ngày tải lên: 16/09/2015, 17:11
Multimedia Image and Video Processing P1
... multimedia-related image processing techniques, and intelligent multimedia processing; (2) methodologies, techniques, and applications: image and video coding, image and video storage and retrieval, digital ... processing images and videos in a multimedia environment It covers the following subjects arranged in two parts: (1) standards and fundamentals: standards, multimedia architecture for image processing, ... education, video on demand, and telemedicine The book begins with the existing standards for multimedia, discussing their impacts to multimedia image and video processing, and pointing out possible...
Ngày tải lên: 23/10/2013, 16:15
Multimedia Image and Video Processing P2
... specifies G.711 as the mandatory audio codec, and includes G.722, G.723.1, G.728, and G.729 as optional choices For video coding, it specifies H.261 as the mandatory coding algorithm and includes H.263 ... “MPEG digital video coding standards,” IEEE Signal Processing Magazine, pp 82–100, Sept 1997 [8] Schaphorst, R., Videoconferencing and Videotelephony: Technology and Standards, Artech House, Boston, ... actions and then get a list of similar scenarios 1.5 Standards for Multimedia Communication In addition to video coding, multimedia communication also involves audio coding, control and signaling, and...
Ngày tải lên: 27/10/2013, 23:15
Tài liệu Adaptive Live Signal and Image Processing pdf
... Applications of Blind and Semi-Blind Signal Processing 1.2.1 Biomedical Signal Processing 1.2.2 Blind Separation of Electrocardiographic Signals of Fetus and Mother 1.2.3 Enhancement and Decomposition ... Likelihood and Score Functions 10.3.3 Estimating Functions 10.3.4 Simultaneous and Joint Diagonalization of Covariance Matrices and Estimating Functions 10.3.5 Standardized Estimating Function and Newton ... processing unit for extraction of sources using adaptive bandpass filter 202 5.9 Frequency characteristics of 4-th order Butterworth bandpass filter with adjustable center frequency and fixed bandwidth...
Ngày tải lên: 10/12/2013, 14:15
Tài liệu Module 8: Using XQuery to Link and Query XML Documents ppt
... an SQL query and a current prototype from Microsoft of a basic query interface Module 8: Using XQuery to Link and Query XML Documents 11 Lesson: Using XQuery ! Basic XQuery ! Advanced XQuery ... relationship between XQuery and XPath ! Interpret the syntax of an XQuery expression ! Describe the uses of XQuery in relation to XPath and SQL Module 8: Using XQuery to Link and Query XML Documents ... both XML data stores and relational databases 4 Module 8: Using XQuery to Link and Query XML Documents XQuery and XPath 2.0 The ideas incorporated in XQuery for powerful querying of data documents...
Ngày tải lên: 10/12/2013, 16:15
Tài liệu 71 Chaotic Signals and Signal Processing doc
... In classical signal processing a rich set of tools has evolved for processing signals that are deterministic and predictable such as transient and periodic signals, and for processing signals ... mechanism for signal design and generation, with potential applications to communications and signal processing Because chaotic signals are typically broadband, noise-like, and difficult to predict, ... Estimation and Detection Use of Chaotic Signals in Communications Self-Synchronization and Asymptotic Stability • Robustness and Signal Recovery in the Lorenz System • Circuit Implementation and Experiments...
Ngày tải lên: 16/12/2013, 04:15
Tài liệu 74 Morphological Signal and Image Processing docx
... and Image Processing 74.1 Introduction 74.2 Morphological Operators for Sets and Signals Boolean Operators and Threshold Logic • Morphological Set Operators • Morphological Signal Operators and ... the theory of morphological signal processing and its applications to image analysis and nonlinear filtering By “morphological signal processing we mean a broad and coherent collection of theoretical ... image processing and machine vision, and pattern recognition As the name ‘morphology’ implies (study/analysis of shape/form), morphological signal processing can quantify the shape, size, and other...
Ngày tải lên: 16/12/2013, 04:15
Tài liệu ADVANCED COMPUTER ARCHITECTURE AND PARALLEL PROCESSING doc
... Mostafa Abd-ElBarr and Hesham El-Rewini Advanced Computer Architecture and Parallel Processing / Hesham El-Rewini and Mostafa Abd-El-Barr TEAM LinG - Live, Informative, Non-cost and Genuine ! ADVANCED ... designers and software developers must understand the interaction between hardware and software parts of the system This is the reason we wrote this book We want the reader to understand the power and ... they can be sent or received), and perform send/receive operations at the same time as processing Simultaneous message processing and problem calculating are handled by the underlying operating...
Ngày tải lên: 23/12/2013, 16:15
Tài liệu Advance computer architecture and parallel processing pptx
... Mostafa Abd-ElBarr and Hesham El-Rewini Advanced Computer Architecture and Parallel Processing / Hesham El-Rewini and Mostafa Abd-El-Barr ADVANCED COMPUTER ARCHITECTURE AND PARALLEL PROCESSING Hesham ... designers and software developers must understand the interaction between hardware and software parts of the system This is the reason we wrote this book We want the reader to understand the power and ... Architecture and Parallel Processing, by H El-Rewini and M Abd-El-Barr ISBN 0-471-46740-5 Copyright # 2005 John Wiley & Sons, Inc INTRODUCTION TO ADVANCED COMPUTER ARCHITECTURE AND PARALLEL PROCESSING...
Ngày tải lên: 25/01/2014, 03:20
(1) how learners approach learning, both in and out of classrooms, and (2) the kinds of strategies and cognitive processing they use in second language acquisition
... gender and strategy use have come to mixed conclusions Ehrman and Oxford (1989) and Oxford and Nyikos (1989) discovered distinct gender differences in strategy use The study by Green and Oxford ... learning strategies on the learning and teaching of foreign and second language Good choice and use of learning strategies would help learners become more independent and autonomous as well as improve ... humanities used more and a wider range of strategies than those majoring in science/engineering in several studies (e.g., Lee, 1994; Park, 1999) Dreyer and Oxford (1996) and Oxford and Nyikos (1989)...
Ngày tải lên: 29/01/2014, 00:23
Tài liệu Báo cáo khoa học: Mixed lineage leukemia: roles in gene expression, hormone signaling and mRNA processing docx
... and E2F6, MLL2 interacts with E2F2, E2F3, E2F5 and E2F6 [34] Similar to E2Fs, the G1-phase regulator HCF-1 recruits MLL1 and Set1 to E2F-responsive promoters and induces histone methylation and ... DNA-binding domain, a ligand-binding domain and a transactivation domain The DNA-binding domain is responsible for DNA binding specificity and dimerization, and the ligand-binding domain is responsible ... transcription and mRNA -processing factors throughout transcription Although an emerging view is that all the steps from transcription, mRNA processing and translation are mechanically and functionally...
Ngày tải lên: 16/02/2014, 14:20
Tài liệu Báo cáo khoa học: Direct identification of hydrophobins and their processing in Trichoderma using intact-cell MALDI-TOF MS docx
... peaks, in contrast to strains 665 and 937, shown in (C) and (E) However, there are only few similarities: 7232 and 7237 in (A) and (E), or 7509 and 7514 in (A) and (C) An obvious shift is the appearance ... peptidases and fungal Kex2-like proteinases; and (c) actual structural studies of H jecorina HFB1 and HFB2 In H jecorina, maturation of HFB1, HFB2 and HFB3 includes signal protease processing ... patterns of hydrophobins HFBIII of H jecorina and T longibrachiatum, and SRH1 and HFB1 of T atroviride, involving signal peptides, Kex2type processing, and C-terminal amino acid cleavage (Table 2)...
Ngày tải lên: 19/02/2014, 02:20
Tài liệu Query Processing in RDF/S-based P2P Database Systems ppt
... input query) , both query and view patterns are decomposed into their basic class and property patterns (see Table 1) For each query fragment pattern, the routing algorithm is executed and all ... the intra-site query operators Run-time Optimization On the other hand, run-time adaptability of query plans is an essential characteristic of query processing when peer bases join and leave the ... interleaved query processing terminates when the initial query is decomposed into its basic class and property patterns It should be also stressed that SQPeer interleaved query routing and planning...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Semantic and affective processing in psychopaths: An event-related potential ~ERP! study ppt
... psychopathic, mixed, and nonpsychopathic groups by PCL-R scores was 1.00 Mean age and years of formal education were 29, 30, and 33, and 10.1, 11.2, and 9.7 years for psychopaths, mixed, and nonpsychopaths, ... concrete and abstract words and pseudoconcrete and pseudoabstract stimuli in the lexical decision task ~Task 1!; concrete and abstract words for the discrimination task ~Task 2!; and positive and ... performed to determine which groups showed behavioral and electrocortical differentiation between concrete and abstract words ~Task and 2! and positive and negative words ~Task 3! All statistical tests...
Ngày tải lên: 19/02/2014, 18:20
Tài liệu Báo cáo khoa học: "Group Theory and Linguistic Processing*" doc
... stands for "semantics"), and where each II';- is a phonological element ( W stands for "'word") The expression above is a way of encoding the ordered pair consisting of the logical form S and ... arbitrary set V, called the VOCABULARY, and we form the socalled SET OF ATOMS ON W, which is notated V t_J V -1 and is obtained by taking both elements v in V and the formal inverses v-1 of these ... p m w ~ ~ j saw john louise by the seventh, first and second rules (properly instancis a w - j o h n - x ated), and therefore, by transitivity and compatibility of the preorder: which means that...
Ngày tải lên: 20/02/2014, 18:20
Advanced Textbooks in Control and Signal Processing ppt
... Signal Processing and Control M.O Tokhi, M.A Hossain and M.H Shaheed Multivariable Control Systems P Albertos and A Sala Control Systems with Input and Output Constraints A.H Glattfelder and W ... thorough and comprehensive in its presentation and is an excellent addition to the series of advanced course textbooks in control and signal processing M.J Grimble and M.A Johnson Glasgow, Scotland, ... engineering and signal processing continue to flourish and develop In common with general scientific investigation, new ideas, concepts and interpretations emerge quite spontaneously and these are...
Ngày tải lên: 05/03/2014, 15:20