column oriented databases apos parallelism in virtual environments
Tài liệu Báo cáo khoa học: "The Software Architecture for the First Challenge on Generating Instructions in Virtual Environments" docx
... allowing the user to speak as well as act in the world; running the challenge in a continuous world rather than a world that only allows discrete movements; or making it multimodal by allowing ... quantitative data provided by the online subjects References A Belz and A Gatt 2008 Intrinsic vs extrinsic evaluation measures for referring expression generation In Proceedings of ACL-08:HLT, Short Papers, ... Shared task proposal: Instruction giving in virtual worlds In M White and R Dale, editors, Working group reports of the Workshop on Shared Tasks and Comparative Evaluation in Natural Language Generation...
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Báo cáo khoa học: "Corpus-based interpretation of instructions in virtual environments" pot
... and Regina Barzilay 2009 Reinforcement learning for mapping instructions to actions In Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference ... them in an 80/20 proportion; the first 80% of data collected in each virtual world was used for training, while the remaining 20% was used for testing For each pair (uk , ck ) in the testing set, ... Gargett, Konstantina Garoufi, Alexander Koller, and Kristina Striegnitz 2010 The GIVE-2 corpus of giving instructions in virtual environments In Proceedings of the 7th Conference on International...
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Báo cáo hóa học: " Research Article Efficient Reduction of Access Latency through Object Correlations in Virtual Environments" pdf
... views into appropriate data format for later mining Second, the mining unit performs the mining tasks according to our mining algorithms After the completion of mining phase, the clustering unit ... Begin (4) Project corresponding subsequences into sub -databases under the intraview appending and interview appending (5) Mine each subdatabase corresponding to each projected subsequence (6) Find ... and Information Engineering of National Chung Cheng University His current research interests include database, data mining, web mining, computer security, knowledge management, machine learning,...
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Query Execution in Column-Oriented Database Systems ppt
... meaning that scanning just four of the columns in the vertical partitioning approach will take as long as scanning the entire fact table in the traditional approach Column Joins: Merging two columns ... reconstruction of tuples containing columns from multiple projections using a join index is quite slow Consequently, a projection containing all columns from a table is typically maintained, and if a query ... with eliminating the hash joins by adding clustered B+trees on the key columns in each vertical partition, but System X still chose to use hash joins in this case Index-only plans: Index-only...
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Báo cáo hóa học: " Viewing medium affects arm motor performance in 3D virtual environments" pdf
... of pointing, reaching and grasping movements made in 2D and 3D VEs have been compared to those made in PEs in a series of studies by Levin and colleagues [12-15] in healthy subjects and in those ... [19] Thus, reduction in vertical FOV may have affected the accuracy of the pointing movements In a previous study involving healthy and stroke subjects making pointing movements in a HMD-viewed VE ... for brain-machine interfaces J Neurosci Meth 2008, 167:2-14 11 Ustinova KI, Perkins J, Szostakowski L, Tamkei LS, Leonard WA: Effect of viewing angle on arm reaching while standing in a virtual...
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Peer to peer interactive 3d media dissemination in networked virtual environments
... the bandwidth constraints of participating peers, the desirable dissemination topologies should minimize the overall average latency of audio streams, in the meantime, maintaining high system reachability ... techniques in Chapter Research topics in the thesis are described in Chapter Two different approaches for 3D audio streaming, as a starting point of my research in this area, are given in Chapters ... already situated in front of a computer, voice-over-IP It is true in reality that peers have much more incoming bandwidth (for downloading) than outgoing bandwidth (for uploading) 23 EXISTING WORK Monophonic...
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Anonymity, motivations and participation in virtual learning communities a case study in the integrated virtual learning environments (IVLE)
... they are leaving or just joining the group, and external constraints like insufficient time also play a part in inducing lurking behaviors 2.4 Anonymity and its Impact on Virtual Learning Communities ... Perspective in Virtual Learning Communities 2.3.1 Intrinsic and Extrinsic Motivations 2.3.2 Communication Dilemmas in Sharing Discretionary Information 2.3.3 Motivations and Barriers to Participation in ... it is the major tool in creating the virtual learning community In corporate settings, forum or electronic mailing list is reported as the main seedbed to spawn and sustain virtual communities...
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Texture caching in networked virtual environments
... creativity Gaming, virtual universities, virtual conferences and virtual shopping are among utilities of virtual environments Textures are one of the very important components in virtual environments ... flying and teleporting Other forms of interactions such as text and voice are also combined in to avatar controls With more realistic and exiting forms of interactions, modern virtual environments ... realistic virtual environments using 3D graphics In modern NVEs, real world objects such as buildings, meeting places, and vehicles are depicted using 3D objects Users are represented using graphical...
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CHARACTERISTICS AND DISTRIBUTIONS OF NITROUS OXIDE-PRODUCING DENITRIFYING FUNGI IN NATURAL ENVIRONMENTS
... beginning and end of the experiment The contamination of bacteria or fungi was tested by the same procedures as the beginning of the incubation N2O analysis The N2O concentrations were determined ... and C S Martens (1988) Biogeochemical cycling in an organic-rich coastal marine basin: 10 The role of amino acids in sedimentary carbon and nitrogen cycling Geochimica et Cosmochimica Acta, 52, ... ((c) in Figure 1) was approximately the same concentration as that in the presence of C2H2 The denitrifying fungi predominantly produced N2O as the final product as well as those of pure strains...
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Roaming User Profiles in Mixed Environments
... roaming user profiles Windows XP and Windows Server 2003 Enhancements to Roaming User Profiles Windows XP and Windows Server 2003 introduce several enhancements to user settings management, including ... a user profile for roaming For clients running Windows NT, Windows 2000, Windows XP, or Windows Server 2003, go to the Profile Path field in the User Profile group Type in the full path to the ... However, Windows 2000, Windows XP, and Windows Server 2003 include the per-user Local Settings folder within the user profile that is not copied during log on or log off sessions Operating system...
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Tài liệu Support for Information Management in Virtual Organizations doc
... require the information and resource maintainers who would maintain the information and deliver to them There could be an either option of also being the information maintainer and also the information ... conditions are unpredictable Making the services offered more flexible and creative by maintaining the standards Broadening the services offered with maintaining internal organizational behaviour ... DOCUMENT In Chapter we have described the basic introduction about Grid computing and Virtual Organization Identifying and listing the process of creating a Virtual Organization A brief introduction...
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Tài liệu WIRELESS NETWORKS FOR IN-BUILDING ENVIRONMENTS White doc
... booking, Internet, check -in, etc • Shopping malls: advertisement, info to visitors, item search, finding friends, staff communication etc Some of the most used solutions for providing in- building ... described in the following subchapters Figure In- building coverage via macro, micro or indoor cells, resulting in different quality of the mobile coverage inside the different buildings 284 23-3026 ... believed to increase the need for in- building solutions It can also be assumed that in most cases mobile Internet users will be sitting comfortably inside buildings, rather than walking around...
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Tài liệu Spoken Multimodal Human-Computer Dialogue in Mobile Environments ppt
... information including intonation Acoustic and linguistic modelling will be considered for spontaneous speech understanding using linguistic as well as para-linguistic information in speech The final ... in Information and Communication Engineering in 1995, and the ME and PhD degrees in Information Engineering in 1997 and 2000 respectively from the University of Tokyo His research interests include ... which, during training, is obtained by a combination of the MLLR, MAP and VFS adaptation techniques The neural network learns the mapping between the input and output During testing, the mapping is...
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Tài liệu Báo cáo khoa học: The molecular surface of proteolytic enzymes has an important role in stability of the enzymatic activity in extraordinary environments pptx
... oxygen of the main chain at Asp266 was bound to amino groups of main chain of Tyr269 and Ala270 by hydrogen bonds The interactions should maintain the structure of the C-terminal region In the wild-type ... recombinant subtilisins B subtilis KN2 carrying each recombinant plasmid was grown aerobically at 37 °C in 1000 mL 2% beef extract, 2% ALP I was not expressed by using the original promoter in B ... C-terminal region on the opposite side of the N-terminal region on the molecular surface In the wildtype enzyme, the side chain of Asp266 interacted with the amino group of the main chain at...
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Báo cáo khoa học: Structure of amyloid b fragments in aqueous environments docx
... wildtype and variant proteins using ThT-binding analysis in order to determine whether the introduced amyloidogenic sequences induce amyloid formation in the host protein Under artificial conditions, ... exchange mapping of Ab using NMR revealed that the middle of Ab is involved in a b structure in the fibrils [30] In contrast, the C-terminal region, including residues 28–42, is important in nucleation ... possess intrinsic neurotoxicity [33,34], indicating the importance of structural analysis in aqueous solutions In APP, Ab1)28 is in the extracellular domain and Ab29)42 is in the transmembrane domain...
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Characterization of Spin Coated Polymers in Nano-environments as a Function of Film Thickness pot
... relaxations must involve the molecules in the surrounding environment through coupling interactions among the polymer chains These interactions depended on the amount of intermolecular and intramolecular ... the surface could act as a crosslink in the polymer by restraining certain chains.11 For thin films, those less than approximately 60 nm, significant increases in Tg could occur These researchers ... companies, research surrounding thin films is quickly growing.8 Two main areas of research have emerged that cover thin polymer films The first, free-standing films, investigates thin films unattached...
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COMMITTEE ON LEARNING SCIENCE IN INFORMAL ENVIRONMENTS pptx
... presentations by the many individuals who participated in our four fact-finding meetings In particular, our initial framing of the domain of science learning in informal environments underwent significant ... Learning Science in Informal Environments that inform learning science in informal environments Our charge specifically included assessing the evidence of science learning across settings, learner ... http://www.nap.edu/catalog/12190.html 30 Learning Science in Informal Environments issues as the laws governing stimulus-response associations in learning Beginning in the 1960s, advances in fields as diverse as linguistics,...
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Column-Oriented Database Systems potx
... (works well for single column access, cross -column joins become increasingly expensive) VLDB 2009 Tutorial Column- Oriented Database Systems Re-use permitted when acknowledging the original © Stavros ... a win Column- joins are Scan times determine early materialized joins covered in part 2! VLDB 2009 Tutorial Column- Oriented Database Systems 24 Re-use permitted when acknowledging the original ... 40 Column 30 Column 20 Column 16 Column 48 (x 128KB) 10 Row (any prefetch size) 12 16 20 24 28 32 selected bytes per tuple l No prefetching hurts columns in single scans VLDB 2009 Tutorial Column- Oriented...
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Instructional Engineering in Networked Environments pdf
... through informal and formal training activities that are continuous, accessible, and effective Instructional engineering plays a crucial role in designing and delivering education and training that ... elements of a virtual campus (this topic is discussed in more detail in Chapter Two) On-Line Training On-line training12 also uses the Internet, multiple media, and hyperlinks but in an extremely ... building knowledge from remote information sources I call the methodology that manages all these techniques instructional engineering The Value of Instructional Engineering Instructional engineering...
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Improving MapReduce Performance in Heterogeneous Environments ppt
... orders incorrectly used the simple heuristic presented above in our experiments in this paper We explain this misestimation here because it is an interesting, subtle problem in scheduling using ... four virtual machines using Xen, giving each virtual machine 768 MB of memory While this environment is different from EC2, this appeared to be the most natural way of splitting up the computing ... level the playing field between research institutions by reducing infrastructure costs Finally, even without utility computing motivating our work, heterogeneity will be a problem in private data...
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Tìm thêm: xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008 chỉ tiêu chất lượng 9 tr 25