Class: Concept

Inherits:
Object
  • Object
show all
Defined in:
lib/asker/data/concept.rb

Overview

Store Concept information

Constant Summary collapse

@@id = 
0

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml_data, filename, lang_code = 'en', context = []) ⇒ Concept

Returns a new instance of Concept.



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
 
# File 'lib/asker/data/concept.rb', line 20

def initialize(xml_data, filename, lang_code = 'en', context = [])
  @@id += 1
  @id = @@id

  @filename = filename
  @process = false
  @lang = LangFactory.instance.get(lang_code)

  if context.class == Array
    @context = context
  elsif context.nil?
    @context = []
  else
    @context = context.split(',')
    @context.collect!(&:strip)
  end
  @names = ['concept.' + @id.to_s]
  @type  = 'text'

  @data = {}
  @data[:tags] = []
  @data[:texts] = []
  @data[:images] = []         # TODO: By now, We'll treat images separated from texts
  @data[:textfile_paths] = [] # TODO: By now, We'll treat this separated from texts
  @data[:tables] = []
  @data[:neighbors] = []
  @data[:reference_to] = []
  @data[:referenced_by] = []

 read_data_from_xml(xml_data)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method) ⇒ Object 



108
109
110
 
# File 'lib/asker/data/concept.rb', line 108

def method_missing(method)
  @data[method]
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



13
14
15
 
# File 'lib/asker/data/concept.rb', line 13

def context
  @context
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



15
16
17
 
# File 'lib/asker/data/concept.rb', line 15

def data
  @data
end

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



14
15
16
 
# File 'lib/asker/data/concept.rb', line 14

def filename
  @filename
end

#id ⇒ Object (readonly)

Returns the value of attribute id.



13
14
15
 
# File 'lib/asker/data/concept.rb', line 13

def id
  @id
end

#lang ⇒ Object (readonly)

Returns the value of attribute lang.



13
14
15
 
# File 'lib/asker/data/concept.rb', line 13

def lang
  @lang
end

#names ⇒ Object (readonly)

Returns the value of attribute names.



14
15
16
 
# File 'lib/asker/data/concept.rb', line 14

def names
  @names
end

#process ⇒ Object

Returns the value of attribute process.



16
17
18
 
# File 'lib/asker/data/concept.rb', line 16

def process
  @process
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



14
15
16
 
# File 'lib/asker/data/concept.rb', line 14

def type
  @type
end

Instance Method Details

#calculate_nearness_to_concept(other) ⇒ Object 



74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/asker/data/concept.rb', line 74

def calculate_nearness_to_concept(other)
  weights = Project.instance.formula_weights

  li_max1 = @context.count
  li_max2 = @data[:tags].count
  li_max3 = @data[:tables].count

  lf_alike1 = lf_alike2 = lf_alike3 = 0.0

  # check if exists this items from concept1 into concept2
  @context.each { |i| lf_alike1 += 1.0 unless other.context.index(i).nil? }
  @data[:tags].each { |i| lf_alike2 += 1.0 unless other.tags.index(i).nil? }
  @data[:tables].each { |i| lf_alike3 += 1.0 unless other.tables.index(i).nil? }

  lf_alike = (lf_alike1 * weights[0] + lf_alike2 * weights[1] + lf_alike3 * weights[2])
  li_max = (li_max1 * weights[0] + li_max2 * weights[1] + li_max3 * weights[2])
  (lf_alike * 100.0 / li_max)
end

#name(option = :raw) ⇒ Object 



52
53
54
 
# File 'lib/asker/data/concept.rb', line 52

def name(option = :raw)
  DataField.new(@names[0], @id, @type).get(option)
end

#process? ⇒ Boolean

Returns:

  • (Boolean) 


60
61
62
 
# File 'lib/asker/data/concept.rb', line 60

def process?
  @process
end

#text ⇒ Object 



56
57
58
 
# File 'lib/asker/data/concept.rb', line 56

def text
  @data[:texts][0] || '...'
end

#try_adding_neighbor(other) ⇒ Object 



64
65
66
67
68
69
70
71
72
 
# File 'lib/asker/data/concept.rb', line 64

def try_adding_neighbor(other)
  p = calculate_nearness_to_concept(other)
  return if p.zero?

  @data[:neighbors] << { concept: other, value: p }
  # Sort neighbors list
  @data[:neighbors].sort! { |a, b| a[:value] <=> b[:value] }
  @data[:neighbors].reverse!
end

#try_adding_references(other) ⇒ Object 



93
94
95
96
97
98
99
100
101
102
103
104
105
106
 
# File 'lib/asker/data/concept.rb', line 93

def try_adding_references(other)
  reference_to = 0
  @data[:tags].each { |i| reference_to += 1 unless other.names.index(i.downcase).nil? }
  @data[:texts].each do |t|
    text = t.clone
    text.split(' ').each do |word|
      reference_to += 1 unless other.names.index(word.downcase).nil?
    end
  end
  if reference_to.positive?
    @data[:reference_to] << other.name
    other.data[:referenced_by] << name
  end
end