architecting a large scale internet application

... justification is that a page can have a high PageRank if there are many pages that point to it, or if there are some pages that point to it and have a high PageRank Intuitively, pages that are well ... in an uproar, and OpenText has ceased to be a viable search engine But less blatant bias are likely to be tolerated by the market For example, a search engine could add a small factor to search ... has been up, there have already been several papers using databases generated by Google, and many others are underway Another goal we have is to set up a Spacelab-like environment where researchers...

Ngày tải lên: 24/01/2014, 20:20

... Zhuang, Ben Y Zhao, Anthony D Joseph, Randy H Katz, and John Kubiatowicz Bayeux: An Architecture for Scalable and Fault-tolerant Wide-Area Data Dissemination In Proc of the Eleventh International ... node has identical capabilities Each node can act as a publisher, a root of a multicast tree, a subscriber to a topic, a node within a multicast tree, and any sensible combination of the above ... for Internet applications In Proc ACM SIGCOMM’01, San Diego, CA, August 2001 15 S Ratnasamy, P Francis, M Handley, R Karp, and S Shenker A Scalable ContentAddressable Network In Proc of ACM SIGCOMM,...

Ngày tải lên: 19/02/2014, 18:20

... significantly Bear in mind that Charniak et al (2003) integrated Charniak’s language model with the syntaxbased translation model Yamada and Knight proposed (2001) to rescore a tree-to-string translation ... Association of Computational Linguistics (ACL), 124-131 E Charniak, K Knight and K Yamada 2003 Syntaxbased language models for statistical machine translation MT Summit IX., Intl Assoc for Machine ... language model probability of a sentence in a client, all servers need to be contacted for each ngram request The approach by Brants et al (2007) follows a standard MapReduce paradigm (Dean and...

Ngày tải lên: 20/02/2014, 04:20

... Aeronautics and Space Administration NIST National Institute of Standards and Technology NOAA National Oceanic and Atmospheric Administration NRC National Research Council Copyright © National ... be modified for large- scale wind testing The capabilities of at least one facility, the NASA Ames large- scale test facility, are described in the AAWE Report Workshop on Large- scale Testing Needs ... respondents, in general, indicated that full -scale or large- scale testing is important and that a large- scale facility could be a useful tool in wind engineering research There was no agreement among them...

Ngày tải lên: 08/03/2014, 19:20

Ngày tải lên: 09/03/2014, 01:20

... Scandinavian and Baltic Languages, at NODALIDA, pages 27–30, Tartu, Estonia Karin Kipper, Anna Korhonen, Neville Ryant, and Martha Palmer 2008 A Large- scale Classification of English Verbs Language ... water transportation’ is translated into {Schiff, Wasserfahrzeug} and ’Ein Fahrzeug f¨ r Wassertransport’, and then the candidate exu traction and all downstream steps can take place in German An ... morpho-syntactic and lexical-syntactic level, due to a large body of standardization results available, it was much harder at the lexicalsemantic level where standardization is still ongoing At the...

Ngày tải lên: 17/03/2014, 22:20

... The ALPACAS framework essentially consists of a set of collaborative anti-spam agents An email agent can either be an entity that participates in the ALPACAS framework on behalf of an individual ... Communication Overheads of the ALPACAS approach Communication overhead is a major factor affects the performance of collaborative anti-spam systems We compare the ALPACAS approach with the replicated ... comparable overall filtering accuracy to the traditional stand-alone statistical filters Furthermore, ALPACAS resists various kinds of spam attacks effectively For good-word attack, ALPACAS has...

Ngày tải lên: 22/03/2014, 22:26

... parser (Caraballo and Charniak, 1998) in the use of an agenda and a chart, but is fundamentally different due to the fact that there is no input order 2.3 Statistical model and feature templates ... build a true-case 4-gram language model estimated over the CCGBank training and development data and a large additional collection of fluent sentences in the Agence France-Presse (AFP) and Xinhua ... incorporation of an N -gram language model can potentially improve the local fluency of output sequences In addition, the N -gram language model can be trained separately using a large amount of data, while...

Ngày tải lên: 31/03/2014, 21:20

... a face to face interview The sample was intended to be representative in terms of age, gender and education Inclusion criteria were age at or above 14 years and German language skills (read and ... Unidimensionality and local independence To evaluate unidimensionality and local independence the residual correlation matrix was examined A principal component factor analysis of the residuals (PCFAR) ... data acquisition CN contributed to the analysis and interpretation of the data SG have been involved in drafting and revising the manuscript, and coordinated the study and data acquisition All...

Ngày tải lên: 20/06/2014, 16:20

... 3B42 3B46 3A2 8 3B49 3B53 3B50 3A3 1 3B51 3B54 3B35 3B38 3A2 6 3A2 7 Controller 3A2 2 3A2 3 3A2 1 3A1 8 3A1 4 3A1 1 3A1 9 3A2 0 3A7 3A4 3A1 3A1 0 3A1 5 3A8 3A1 6 3A9 3A2 3A6 3A3 Figure 13: Spatial distribution ... Controller 3A3 1 3A2 2 3A2 3 3A1 4 3A1 1 3A1 9 3B51 3B54 3A2 0 3A7 3B35 3B38 3A4 3A1 3A1 0 3A1 5 3A8 3A1 6 3B42 3B46 3A2 1 3A1 8 3A9 3A2 3A6 3A3 Figure 12: Spatial distribution of the individual success rate on ... application on the DUT This way, the application does not need to implement an API, so any existing application can be evaluated We have evaluated a retail application but it is possible and desirable...

Ngày tải lên: 21/06/2014, 11:20

... the chain is chosen as a special node that is in charge of final transmission of aggregated data packets to a sink node To create a chain, the algorithm, however, assumes that all nodes have the ... TreeCast-like incremental address assignment is applied, that is, the address of a newly joined node includes its parent address Therefore, a node in a higher layer always has a smaller address ... Figure 4: An example of the address assignment based on LAA a node A initiates the creation of a new ZigBee network by assigning itself as a coordinator Thus, its LAS will be As nodes B, C, and D...

Ngày tải lên: 21/06/2014, 23:20

... the quality of relationships, change and project management capacity, senior management support, organizational complexity, and a climate of organizational learning McCormack et al [31] similarly ... systemically shared, collected, and analysed to add to the wider knowledge base about effective implementation As highlighted above, each pair of KTAs is linked to a clinical and academic lead and ... addition, each implementation team is supported by a programme manager, who works in a coordinating, overall project management role, and an information analyst, who supports work relating to data collection...

Ngày tải lên: 10/08/2014, 11:20

... (National Hospital Organization Osaka National Hospital), M Kawaguchi (Okayama Saiseikai General Hospital), T Kawanishi (Inazumi Park Hospital), S Kawata (Yamagata University), Y Kishimoto (San-in ... S Watanabe (Akita University), K Yasuda (Kiyokawa Hospital), T Yamanaka (Itabashi Central Hospital), J Yamao (Nara Medical University), H Yoshida (Yame General Hospital), K Yoshioka (Nagoya University), ... Egashira (Sakura Hospital), K Fujimura (Nara Social Insurance Hospital), K Fujise (Jikei University, Kashiwa Hospital), E Harada (National Hospital Organization Tokyo National Hospital), K Hayashi...

Ngày tải lên: 13/08/2014, 09:44

... stratified random sampling strategy suggests that the results are likely to be representative of the population at large, which allows a reasonably accurate estimation of prevalence and risk factors ... factors associated with child maltreatment among the intended population in this region This study has an added advantage in that a validated tool was adopted For example, corporal punishment was ... sexual abuse cases [10] Such findings can play an important role in developing effective prevention strategies and programs Although research on child abuse is accumulating in China, large scale...

Ngày tải lên: 13/08/2014, 18:21

... microarrays applied to the ionizing radiation response Proc Natl Acad Sci USA 2001, 98:5116-5121 Baldi P, Long AD: A Bayesian framework for the analysis of microarray expression data: regularized ... RNA As the cRNA in the C and S samples are made from the same PCR amplification and labeling reac- interactions In the GoldenSpike dataset, there is a large difference between NSB signal in C and ... is indicated with black triangles and squares The Zhang energy parameters are not as consistent as the Naef parameters, especially for AG and GA di-nucleotides (c) Zhang's weights parameters...

Ngày tải lên: 14/08/2014, 07:21

... [38] as well as a decoy database strategy and was found to be in the low percentage range Most tandem mass spectra as well as their statistical analysis can be viewed in the PhosphoPep database ... carry out an initial re-analysis against a locally generated database that contained 903,842 peptides from translated transcripts from predicted gene models, translated pseudogenes and translated ... of miscellaneous functional RNA (rRNA, small nuclear RNA (snRNA) and snoRNA) from FlyBase and 2,594 were generated from the 6frame translation of transcripts predicted by Manak et al [40] to...

Ngày tải lên: 14/08/2014, 21:20

... is part of Java COG Kit, is developed at the Argonne National Laboratory Karajan is developed from GridAnt [15] and has additional features such as scalability, workflow structure and error handling ... of 3DNA In order to have a complete visualization, 3DNA can also place the base pairs and helical regions in a structure and arrange structures [25] 3.2.3 NAMD NAMD(Nanoscale Moleculer Dynamics) ... while and the next activity after loop can take the data from there 2.1.2 DAGMan DAGMan (Directed Acyclic Graph Manager) has been developed as part of the Condor project [3], and acts as the meta-scheduler...

Ngày tải lên: 30/10/2014, 20:07

... propose ART (AQUA, R-Store and TI), a large scale microblogging data management system that is able to handle various user queries (such as updates and real-time search) and the data analysis ... key/value store, R-Store, for the OLTP and real-time aggregation query processing A real-time data cube is maintained as the historical data, and the newly updated data are merged with the data ... related works on multi-way join, real-time aggregation and real-time search query processing 2.1 Large Scale Data Storage and Processing Systems Database management systems (DBMSs) [87] have...

Ngày tải lên: 09/09/2015, 11:16

... Muralikrishna GAMMA - A High Performance Dataflow Database Machine In VLDB ’86, pages 228–237, 1986 S Fushimi, M Kitsuregawa, and H Tanaka An Overview of The System Software of A Parallel Relational Database ... phase on each node in parallel, the data was actually loaded on each node sequentially Thus, as the total of amount of data is increased, the load times also increased proportionately This also ... data) have approximately constant performance for this task, since each node has the same amount of Document data to process and this amount of data remains constant (7GB) as more nodes are added...

Ngày tải lên: 19/02/2014, 12:20

... information about the semantic structure of concepts associated with English words, particularly verbs For example, the verb abridge has an associated case frame consisting of an agent doing the abridging ... such as theme and goal We developed a semi-automatic tool which examined every verb which had rules in the semantics server, and based on the lexical entry for that verb, added additional semantic ... straightforward, and the resulting complex of resources executes without any performance problems in a multi-user environment The task of a developer of a particular natural language application is greatly...

Ngày tải lên: 20/02/2014, 18:20