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-rw-r--r--lib/utils/rdf/dataset.rb73
1 files changed, 0 insertions, 73 deletions
diff --git a/lib/utils/rdf/dataset.rb b/lib/utils/rdf/dataset.rb
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--- a/lib/utils/rdf/dataset.rb
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-=begin
-* Name: dataset.rb
-* Description: Dataset RDF tools
-* Author: Andreas Maunz <andreas@maunz.de>
-* Date: 10/2012
-=end
-
-module OpenTox
- class Dataset
-
- # Load features via RDF (slow)
- # @param [String] uri Dataset URI
- # @return [Array] features Features in order
- def find_features_rdf
- query = RDF::Query.new do
- pattern [:uri, RDF.type, RDF::OT.Feature]
- pattern [:uri, RDF::OLO.index, :idx]
- end
- query.execute(@rdf).sort_by{|s| s.idx}.collect{|s| OpenTox::Feature.new(s.uri.to_s)}
- end
-
- # Load compounds via RDF (slow)
- # @param [String] uri Dataset URI
- # @return [Array] compounds Compounds in order
- def find_compounds_rdf
- query = RDF::Query.new do
- pattern [:uri, RDF.type, RDF::OT.Compound]
- pattern [:uri, RDF::OLO.index, :idx]
- end
- query.execute(@rdf).sort_by{|s| s.idx}.collect{|s| OpenTox::Compound.new(s.uri.to_s)}
- end
-
- # Load data entries via RDF (slow)
- # @param [String] uri Dataset uri
- # @return [Array] entries Data entries, ordered primarily over cols and secondarily over rows
- def find_data_entries_rdf
- query = RDF::Query.new do
- pattern [:data_entry, RDF::OLO.index, :cidx] # compound index: now a free variable
- pattern [:data_entry, RDF::OT.values, :vals]
- pattern [:vals, RDF::OT.feature, :f]
- pattern [:f, RDF::OLO.index, :fidx]
- pattern [:vals, RDF::OT.value, :val]
- end
- query.execute(@rdf).order_by(:fidx, :cidx).collect { |s| s.val.to_s }
- end
-
- # Query a dataset URI for ordered status
- # by loading its metadata (OpenTox compliant)
- # @param [String] uri Dataset uri
- # @return [TrueClass, FalseClass] status Whether the dataset is ordered
- def self.ordered?(uri)
- ds = OpenTox::Dataset.new # dummy
- ds.parse_rdfxml(RestClient.get([uri,"metadata"].join("/"),{:accept => "application/rdf+xml"}))
- query = RDF::Query.new do
- pattern [:dataset, RDF.type, RDF::OT.OrderedDataset]
- end
- query.execute(ds.rdf).size>0
- end
-
- # Load dataset URI from given RDF (slow)
- # @param [String] rdf RDF
- # @return [String] uri URI
- def self.uri_from_rdf(rdf)
- ds = OpenTox::Dataset.new # dummy
- ds.parse_rdfxml(rdf)
- query = RDF::Query.new do
- pattern [:dataset, RDF.type, RDF::OT.Dataset]
- end
- query.execute(ds.rdf).collect { |s| s.dataset.to_s }[0]
- end
-
- end
-end