hierarchical data model

'hierarchical data model' can also refer to...

hierarchical data model

hierarchical data model

Hierarchical Phylogenetic Models for Analyzing Multipartite Sequence Data

A Bayesian hierarchical model for identifying epitopes in peptide microarray data

Bayesian hierarchical error model for analysis of gene expression data

Bayesian Hierarchical Modeling of Public Health Surveillance Data: A Case Study of Air Pollution and Mortality

Hierarchical modelling of archaeomagnetic data and curve estimation by moving average technique

Galaxy evolution in the infrared: comparison of a hierarchical galaxy formation model with Spitzer data

Exploration of empirical Bayes hierarchical modeling for the analysis of genome-wide association study data

A hierarchical statistical modeling approach to analyze proteomic isobaric tag for relative and absolute quantitation data

A hierarchical Bayesian model for flexible module discovery in three-way time-series data

Hierarchical Bayesian approach for population dynamics modelling of fish complexes without species-specific data

A Bayesian hierarchical model to detect differentially methylated loci from single nucleotide resolution sequencing data

Comments on ‘Bayesian hierarchical error model for analysis of gene expression data’

Response to comments on ‘Bayesian Hierarchical Error Model for Analysis of Gene Expression Data’

Trans-dimensional inversion of microtremor array dispersion data with hierarchical autoregressive error models

Hierarchical probabilistic models for multiple gene/variant associations based on next-generation sequencing data

Setting biological reference points for Atlantic salmon stocks: transfer of information from data-rich to sparse-data situations by Bayesian hierarchical modelling

Hierarchical hidden Markov model with application to joint analysis of ChIP-chip and ChIP-seq data


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A data model based on one-many relationships between aggregations of fixed numbers of data items, such an aggregation being termed a segment. A database record type comprises a number of segment types, arranged in a hierarchy, commencing with the root segment type; below the root segment type there is zero, one, or more segment types at the first level, with a similar structure below each of these first-level types at the second level, and so on. Thus each segment type except the root is dependent on a segment type at the immediately higher level. A database record instance comprises a single instance of the root segment type and zero, one, or more instances of each of its types at the first level. Corresponding to each of these first-level instances, there will be zero, one, or more instances of each of the appropriate second-level types, and so on. Only the root segment can have an independent existence.

IMS, an important database management system supplied by IBM, is based on and implements this data model.

Subjects: Computing.

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