Compressed indexing data structures for biological sequences
Compressed indexing data structures for biological sequences
... the biological sequence accumulated, our motivation for this thesis is to design specialized compressed indexing data structures for biological data and applications First, Chapter describes a compressed ... and select data structures 1.2.3 Some integer data structures 1.2.4 Suffix data structures 1.2.5 Compressed suffix data structures ... only perform forward enumerate of the nodes of the DAWG A practical, full functional and small data structure for DAWG is still needed In this chapter, we propose a compressed data- structure for...
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Query Languages and Data Models for Database Sequences and Data Streams doc
... Istream, Dstream and Rstream are not considered in this paper) Nonblocking Query Operators We can now formalize the notion of sequences as a bridge between database relations and streams Sequences consist ... formal analysis of how query languages and also data models are impacted by these changes, to propose practical solutions for the resulting problems We studied how traditional models, where data ... these two constructs Practical datastreams languages should support SQL, and additional constructs needed for data streams, such as logical and physical windows [4] (For instance, ESL also supports...
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Efficient Data Structures for Tamper-Evident Logging ppt
... Section describes a prototype implementation for tamper-evident logging of syslog data traces Section discusses approaches for scaling the logger’s performance Related work is presented in Section ... fix the same events for their shared past.) 2.4 Other threat models Forward integrity Classic tamper-evident logging uses a different threat model, forward integrity [4] The forward integrity threat ... faced by tamper-evident logging, our history tree and the semantics for tamper-evident logging are applicable to this alternative threat model with only minor changes Under the semantics of forward-integrity,...
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genetic evolution processing of data structures for image classification
... CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION 227 Fig 10 Examples of tree structures constructed from the two flower images from the same class in the flower database ... classification rates were obtained by averaging 20 CHO AND CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION 229 Fig 12 Overall classification rates of different classification ... error between the target and the root output values of data CHO AND CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION structures But, the dimension may be very high so...
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Báo cáo sinh học: "A basic analysis toolkit for biological sequences" pps
... nontrivial implementation by Sinha and Tompa, used for motif discovery [19] Our code, as the one by Sinha and Tompa, works only for DNA sequences The function allowing for the generation of a user-specified ... 22: for each fragment f' := SUCCESSOR(f) in B such that Z(f') ≤ Z(f) 23: 24: 25: DELETE(f') from B end for end for 26: end for minimum value over all predecessors of f After any start points for ... D[i] + w(i, j), for ≤ i ≤ j ≤ n We say that B[i, j] is available if D[i] is known and therefore B[i, j] can be Page 10 of 16 (page number not for citation purposes) Algorithms for Molecular Biology...
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String matching and indexing with suffix data structures
... in-memory string search and present compact data structures to solve the approximate string matching problem Next we continue the study with exact string matching problem and proposed several data structures ... particular, suffix tree [67, 99] and suffix array [66] are popular data structures to be used for string indexing More recently, compressed suffix data structures are used in indexing string Another class ... 4.2.2 Data structures 4.2.3 Using O(n log |A|) bit data structures 4.2.4 Using O(n√ ǫ n log |A|) bit data structures log 4.2.5 Using O(n log n log |A|) bit data structures...
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Structures for writing task 1 in IELTS
... For describing the lowest point The number of students hit a trough/plunged to a trough of 2000 For describing a fluctuation The number fluctuated between ... fluctuation The number fluctuated between and The number fluctuated wildly around and Some words for describing “approximately” About/around/approximately/well over/roughly ...
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Data Preparation for Data Mining- P3
... Transformations and Difficulties—Variables, Data, and Information Much of this discussion has pivoted on information—information in a data set, information content of various scales, and transforming ... their limited data capacity and inability to handle certain types of operations needed in data preparation, data surveying, and data modeling For exploring small data sets, and for displaying ... the data set for mining—to best expose the information contained in it to the mining tool Indeed, the whole purpose for mining data is to transform the information content of a data set that...
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Data Preparation for Data Mining- P4
... data preparation requires three such steps: data discovery, data characterization, and data set assembly • Data discovery consists of discovering and actually locating the data to be used • Data ... stages: Accessing the data Auditing the data Enhancing and enriching the data Looking for sampling bias Determining data structure Building the PIE Surveying the data Modeling the data 3.3.1 Stage ... variables considered alone Data Set /Data Survey Issue: Well- and Ill-Formed Manifolds This is really the first data survey step as well as the last data preparation step The data survey, discussed...
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Data Preparation for Data Mining- P5
... original information This additional information actually forms another data stream and enriches the original data Enrichment is the process of adding external data to the data set Note that data enhancement ... original data set The data preparation software creates this variable and captures information about the missing value patterns For each pattern of missing values in the data set, the data preparation ... example of enhancing the data No external data is added, but the existing data is restructured to be more useful in a particular situation Another form of data enhancement is data multiplication When...
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Data Preparation for Data Mining- P6
... numerating the alphas, but also for conducting the data survey and for addressing various problems and issues in data mining Becoming comfortable with the concept of data existing in state space ... will find the best numerical representation, given the form in which the alpha is delivered for preparation, and the information in the data set However, insights and understanding brought by ... However, what a data miner starts with as a source data set is almost always a sample and not the population When preparing variables, we cannot be sure that the original data is bias free Fortunately,...
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Data Preparation for Data Mining- P7
... 0.8769 Forward 0.4940 0.4923 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Forward 0.6988 0.7692 Forward 0.4940 0.4462 Forward 0.6988 0.7538 Forward 0.4940 0.3231 Forward ... Zalapski Forward 37 Patrick Poulin Reserve 55 Igor Ulanov Forward 26 Martin Rucinsky Defense 43 Patrice Brisebois Forward 28 Marc Bureau Forward 27 Shayne Corson Defense 52 Craig Rivet Forward ... distance from there to each of the nearest data points in each dimension The mean distance to neighboring data points serves as a surrogate measurement for density For many purposes this is a more convenient...
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Data Preparation for Data Mining- P8
... Translating the information discovered there into insights about the data, and the objects the data represents, forms an important part of the data survey in addition to its use in data preparation ... with putting data into the multitable structures called “normal form” in a database, data warehouse, or other data repository.) During the process of manipulation, as well as exposing information, ... providing a working data preparation computer program were also addressed In spite of the distance covered here, there remains much to to the data before it is fully prepared for surveying and...
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