[PDF] Top 20 Query Size Estimation through Sampling

Query Size Estimation through Sampling

... a query that consists of a materialized ...input. Query types are described in chapter ...All size estimation methods depend on selectivities for selection, join and projection operations as ... See full document

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Acceptance Sampling Plans: Size Biased Lomax Model

... Acceptance sampling plans based on life tests are studied by many ...acceptance sampling based on life tests derived by ...acceptance sampling based on life tests, ...acceptance sampling based ... See full document

8

Estimation Of Population Total Using Model-Based Approach: A Case Of HIV/AIDS In Nakuru Central District, Kenya

... the size of populations of those living with HIV/AIDS so as to enable them plan ...the size of populations most-at-risk to HIV allows epidemiologists to develop models which estimate and project HIV ... See full document

5

Adaptive query-based sampling of distributed collections

... varying size and ...varying size and content, we were able to determine when a sufficiently good representation of each col- lection had been obtained, which in turn was reflected by performance ... See full document

13

Nanoparticle suspensions enclosed in methylcellulose: a new approach for quantifying nanoparticles in transmission electron microscopy

... known size. These qualities facilitate unbiased sampling, rapid size measurement and estimation of nanoparticle numbers by means of ratio counting using a colloidal gold ... See full document

13

Optimal Allocation in Domains Mean Estimation Using Double Sampling with Non-Linear Cost Function in the Presence of Non-Response

... double sampling method to estimate the mean of the auxiliary variable and proceeded to estimate the mean of the study variable in a similar way as Cochran ...double sampling ratio and regression ... See full document

13

Sampling Error Estimation in Stratified Surveys

... Stratified sampling is an appropriate method when several homogeneous and mutually exclusive strata or subpopulations are identified in the ...in size but big in importance in the ...exhaustive ... See full document

13

Estimation of ethylene production and 1 aminocyclopropane 1 carboxylic acid in plants by means of gas chromatography

... gas sampling; thereafter, ...of sampling vessels: (A) a glass vessel with the volume of 5 000 ml closed with a latex membrane (suitable for potato tubers or pot plants of different size), (B) a glass ... See full document

6

Initial Observations on Query Based Sampling in Distributed CLIR

... Query-based sampling (QBS) [Callan and Connell, 2001] is a technique used for acquiring resource descriptions of databases by running queries on the databases examining text of the documents returned, ... See full document

5

Estimation Approach to Ratio of Two Inventory Population Means in Stratified Random Sampling

... y are the number of workers and the fixed capital respectively along with the output as the auxiliary variable. The size of the population is 10 and is divided into two stratums each of size 5. The sample ... See full document

6

Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

... sample size required for a simple random sample must be multiplied by a design effect (DEFF) to account for the RDS design ...sample size for the RDS survey used to estimate P can be calculated as Equation ... See full document

7

Scalable Correlated Sampling for Join Query Estimations on Big Data

... Estimate query results within limited time constraints is a challenging problem in the research of big data ...management. Query estimation based on simple random samples per- forms well for simple ... See full document

10

Synthetic and composite estimators for small area estimation under Lahiri – Midzuno sampling scheme

... Gonzalez and Wakesberg (1973) and Schaible, Brock, Casady and Schnack (1977) compare errors of synthetic and direct estimators for standard Metropolitan Statistical Areas and Counties of U.S.A. The authors of both the ... See full document

17

Bayesian Estimation of Population Size Changes by Sampling Tajima’s Trees

... population size trajectory with instantaneous growth (Equa- tion 16) of n ¼ 10 individuals with 31, 63, and 120 segregat- ing ...portance sampling (Cappello and Palacios ... See full document

20

Impact of misspecifying the distribution of a prognostic factor on power and sample size for testing treatment interactions in clinical trials

... sample size could be re-estimated and all of the type II error was used up at the interim ...sample size re-estimation procedure since misspecification of other trial parameters that diminish power ... See full document

18

Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

... Even for large sample sizes, 95% CIs around the PSE are wide. The uncertainty around the PSE is more sensitive to the uncertainty in P than in M, which is evident from the formula for var(M/P). Researchers cannot choose ... See full document

7

Approximate Continuous Aggregation via Time Window Based Compression and Sampling in WSNs

... To measure the performance of our secure aggregation scheme, we simulate a sensor network based on the data from a real world deployment with 54 sensor nodes (ID from 1 -54) in the Intel Research lab, which includes a ... See full document

8

Nest building and description of parental care behavior in a temperate reef fish, Chromis crusma (Pisces: Pomacentridae)

... egg size and development time can depend on predominance and duration of parental care (Sargent et ...site through the formation of structures used to house eggs (Sikkel 1995; Rushbrook et ... See full document

9

Simple Linear Regression Model for Hidden/Hard to Reach/Elusive Populations

... survey sampling with respect to the counting rule paradigm for linking population elements to the selection units at which they are countable in the survey ...survey sampling uses unitary counting rules, ... See full document

9

An estimation of size biased generalized logarithmic series distribution

... In order to check the usefulness of new proposed method, the efficiency of the parameter α is studied. For this purpose, an extensive computer simulation is done by taken n =15, 20, 30, 50,100, α = 0.2, 0.5, 1.0, 2.0 and ... See full document

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