fundamental of data structure by horowitz sahni
Foundamentals of data structure docx
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28/03/2014, 19:20
...
independent of the data representation be written out first. By postponing the choice of how the data is
stored we can try to isolate what operations depend upon the choice of data representation. ... devise
special ways of representing its elements in our computer.
The notion of a data structure as distinguished from a data object is that we want to describe not only the
set of objects, but ... value of only
one of p or q increases by 2. So, the worst case computing time for this while loop is O(n + m). The total
computing time for the while loops of lines 5 and 6 is bounded by O(n...
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Báo cáo khoa học: Secondary structure assignment of mouse SOCS3 by NMR defines the domain boundaries and identifies an unstructured insertion in the SH2 domain pdf
Ngày tải lên :
16/03/2014, 14:20
... performed at 298 K. Solutions of 10–
25 lm SOCS3 in the cell were titrated by injection of a
total of 290 lL of 80–200 lm of the gp130 peptide. The
heat of dilution of the gp130 peptide into buffer ... of the secondary structure and cor-
rect domain boundaries of SOCS3 will enable manipu-
lation of SOCS3 function by rational mutagenesis. This
includes mutagenesis of the PEST motif, either by ... [7]
modelled the structures of the ESS and KIR of
Fig. 3. PEST sequence conservation in SOCS3. Sequence alignment of the region of SOCS3 containing the PEST motif for a number of
mammalian species...
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morphology control of zno bilayer structure by low-temperature
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06/05/2014, 13:24
... 126–129 129
similar to the flower shape of sample A. The branches of nanoden-
drite structure are needle-like nanorods with diameters of 100 nm
and lengths of 800 nm, while the backbones have 400–500 ... that of sample A.
The higher ammonia content of sample B in initial solution
could lead to the slight dissolution of the surface on the backbones
of nanodendrite due to the amphoteric feature of ... kinds of nanorods:
the large one with a tip of 100–200 nm diameter and the small one
with a tip of around 50 nm diameter. Fig. 1G and I shows that the
small nanorods come from the backbones of large...
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evaluation and comparison of management strategies by data envelopment analysis with an application to mutual funds
Ngày tải lên :
03/06/2014, 01:55
... Evaluation of Performance of Mutual
Fund Strategies by Comparison of Efficient Frontiers—Joint
Exemplar DEA
Section 3.4 Step Four: Performance of Mutual Fund Strategies by
Comparison of Efficient ... area of management. A review of the origins and uses of the term
strategy in the literature displays a wide range of definitions which confuse and
compound the basic idea of strategy—the fundamental ... of the Graduate School of
the University of Texas at Austin
in Partial Fulfillment
of the Requirements
for the Degree of
Doctor of Philosophy
The University of Texas at Austin
May...
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Báo cáo hóa học: " Short range tracking of rainy clouds by multiimage flow processing of X-band radar data" docx
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20/06/2014, 22:20
... the values of the parameters decrease
giving more importance to the fitting of data.
The fit of the model to the data was measured by the
RMS error of the model with respect to the data nor-
malized ... the set of neighbours of the consid-
ered point, w
1
, , w
M
are the weights and s labels each of
the 3(N-2) pairs of maps (indicate d by ij in Equation 5).
In this article, 25 neighbours of each ... estimating modulus and phase of the flow
Simulation parameters Lucas-Kanede approach Horn-Schunck approach
Modulus (px/ΔT) Angle (°) Modulus (px/ΔT) Angle (°)
F NoF F NoF F NoF F NoF
N = 4, SNR = 10 dB...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P1 ppsx
Ngày tải lên :
03/07/2014, 08:20
... THE FRACTAL STRUCTURE
OF DATA REFERENCE
Applications to the Memory Hierarchy
by
Bruce McNutt
International Business Machines Corporation
San ... LOGIC IN DATA MODELING, Guoqing Chen ISBN: 0
-
7923
-
8253
-
6
INTERCONNECTING HETEROGENEOUS INFORMATION SYSTEMS, Athman
FOUNDATIONS OF KNOWLEDGE SYSTEMS: With Applications to Databases
DATABASE ... NETWORKS: Concept, Design and Deployment of Internet
Infrastructure, Michah Lerner, George Vanecek, Nino Vidovic, Dad Vrsalovic;
ISBN: 0
-
7923
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7840
-
7
ADVANCED DATABASE INDEXING, Yannis Manolopoulos,...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P2 pdf
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03/07/2014, 08:20
...
function of average cache residency time.
x THE FRACTAL STRUCTURE OF DATA REFERENCE
1.16 IMS storage pools: distribution of record interarrival times. 30
1.17 TSO storage pools: distribution of ... 37
4. Empirical Behavior 40
43
3. USE OF MEMORY BY MULTIPLE WORKLOADS
1. Cache Use by Application 44
2. Analysis of the Working Hypothesis 47
4. USE OF MEMORY AT THE I/O INTERFACE
51
1. Simulation ...
40
2.2
41
2.3
41
57
4.1
6.2
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.1 1
7.12
7.13
7.14
7.15
Tradeoff of memory above and below the I/O interface.
6.1 Overview of free space collection results. 73
Distribution of time between track updates, for the...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P3 pptx
Ngày tải lên :
03/07/2014, 08:20
... probability then falls off rapidly, if no request occurs. This
results in a pattern of accesses characterized by short “bursts”, separated by
long periods of inactivity. By studying such transient ... power of a
memory hierarchy comes from its ability to take advantage of patterns of data
use that are transient. Repeated requests tend to be made to a given data item
over a short period of ... established that the sequence of locations referenced by software
tends to be structured in a self
-
similar manner. This fact certainly enhances
the plausibility of a self
-
similar relationship...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P4 pot
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03/07/2014, 08:20
... order by the rate of track references. Let N be the total number
of tracks, and consider the subset first
L
of tracks, given by the first L < N that
appear on the sorted list. Then clearly, by ... definition of Ω(l) to obtain the following
upper bound on the hit ratio h:
THE FRACTAL STRUCTURE OF DATA REFERENCE
(1.1)
where l
c
≈ .0008 is the fraction of disk tracks capable of being stored ... easily by dedicating each memory resource to contain specific,
identified types of data.
A real
-
life comparison between these two alternative strategies is provided
by the history of disk...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P5 pps
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03/07/2014, 08:20
... to the data.
If we now examine the structure of database software, in an effort to account
for data reuse at a variety of time scales, we find that we need not look far. For
example, data reuse ... application data,
but also a few of the curves for system data.
THE FRACTAL STRUCTURE OF DATA REFERENCE
2. Slopes between 0.3 and 0.4. This group consists almost entirely of system
data
Suppose, ... 6
THE FRACTAL STRUCTURE OF DATA REFERENCE
3. MODEL DEFINITION
Eventually, this book will present abundant statistical summaries of data
reference patterns. As a starting...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P6 ppsx
Ngày tải lên :
03/07/2014, 08:20
... population of tracks currently
visiting the cache is given by (1.13):
THE FRACTAL STRUCTURE OF DATA REFERENCE
Therefore,
By contrast, measurements of the single
-
reference residency time τ require
specific ... example, the minidisk
cache facility mentioned earlier manages data in units of one page frame (one
block of 4096 bytes).
The unit ofgranularity used in managing the cache has an important effect
upon ... its use.
By laking advantage of (1.12), it is also possible to estimate the value of θ
for a running workload, given measurements of T and τ:
(1.16)
Another interesting implication of the related...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P7 ppt
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03/07/2014, 08:20
...
(1.23)
The existence of a power law relationship between these quantities was first
noted by Chow [ 15], and demonstrated convincingly by Smith [ 16].
16 THE FRACTAL STRUCTURE OF DATA REFERENCE
But ... performance experienced by a
wide range of cached data.
Figures 1.4 through 1.10 present the performance of a “plain vanilla” cache,
relative to average residency time, for a range of application storage ... 20 THE FRACTAL STRUCTURE OF DATA REFERENCE
Figure 1.7.
time.
CICS storage pools: cache performance as a function of average cache residency
Figure 1.8.
time.
IMS...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P8 pps
Ngày tải lên :
03/07/2014, 08:20
... cache size 256 megabytes). At
the beginning of the 1990’s, a typical storage control was configured with
approximately 120 gigabytes of storage capacity, and an
I/O demand of, say,
300
I/O’s ... At this time, the use of explicit controls to restrict the use
of cache memory remained common.
Today, storage controls offer far larger amounts of memory. Most models
of storage control, for ... purchased with
less than 1–2 gigabytes of cache. A typical storage control might be configured
with one terrabyte of storage capacity, and an
I/O demand of, say, 1000 I/O’s per
second. Such...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P9 ppt
Ngày tải lên :
03/07/2014, 08:20
... CICS storage pools: distribution oftrack interarrival times.
Figure 1.14. CICS storage pools: distribution ofrecord interarrival times.
30 THE FRACTAL STRUCTURE OF DATA REFERENCE
Figure 1.15. IMS ... storage pools: distribution of track interarrival times.
Figure 1. 16.
IMS storage pools: distribution of record interarrival times.
28 THE FRACTAL STRUCTURE OF DATA REFERENCE
Figure 1.11.
DB2 ... pools: distribution oftrack interarrival times.
Figure 1.12. DB2 storage pools: distribution ofrecord interarrival times.
26
operating separately [ 18]:
THE FRACTAL STRUCTURE OF DATA REFERENCE
(1.26)
(Note,...
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THE FRACTAL STRUCTURE OF DATA REFERENCE- P10 potx
Ngày tải lên :
03/07/2014, 08:20
... amount of
time t has passed since some given
I/O request. The behavior of λ(t) provides
an alternative method of characterizing the hierarchical reuse model, which
34
THE FRACTAL STRUCTURE OF DATA ... the 3380 family of storage devices.
2 Assumes a track belonging to the 3390 family of storage devices.
Hierarchical Reuse Model 3 1
Figure 1.17. TSO storage pools: distribution of track interarrival ... reuse model. This results
in a series of equations of the form (1.5), one for each workload. In graphical
terms, it corresponds to fitting each workload’s plot of interarrival statistics
with a...
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