Leximancer

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Leximancer
Textual content analysis tool

• Tijana Husic

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Leximancer

• Australian company
• 10 years providing leading-edge text analytics
  technology
• Market research, defence, government, consulting,
  insurance, legal, intelligence, pharmaceuticals
  and health care

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Leximancer

• Performs analysis systematically and graphically
  by creating a map of the constructs
• Each word on the
• document map represents
• a concept

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Algorithm

• Uses optimal weight to predict the concepts
  present in fragments of related text.
• The relationships are measured by the weighted
  sum of the number of times two concepts are found
  in the same chunk.
• An algorithm determine the
• confidenceand relevancy of the
• terms to others in a specific chunk
• and across chunks.

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Advantages

• Ability to
• derive the main concepts within text
• identify the strengths between concepts (how
  often they co-occur)
• assist in visually exploring textual information
  for related themes
• assist in identifying similarities in the context
  in which the concepts occur contextual
  similarity.

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Advantages

• Leximancer can process text in languages other
  than English
• Danish, German, Greek, French, Croatian,
  Indonesian, Italian , Malay, Dutch, Polish,
  Portuguese, Russian, Serbian, Swedish

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HVALA!