Leximancer
Textual content analysis tool
Tijana Husić
Leximancer
• Australian company
• 10 years providing leading-edge text analytics
technology
• Market research, defence, government,
consulting, insurance, legal, intelligence,
pharmaceuticals and health care
2/10
Leximancer
• Performs analysis systematically and
graphically by creating a map of the constructs
• Each word on the
document map represents
a concept
3/10
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.
4/10
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.
5/10
Advantages
• Leximancer can process text in languages
other than English
– Danish, German, Greek, French, Croatian,
Indonesian, Italian , Malay, Dutch, Polish,
Portuguese, Russian, Serbian, Swedish
6/10
7/10
HVALA!
8/10