davinci code. network analysis
TRANSCRIPT
Why Network Analysis?
● Identify core actors and places● Identify relationships between actors, and
actors and places● Identify groups (“clusters”) of actors● ...ideally without reading the text
Starting with e-Text
...The man was stocky and dark, almost Neanderthal, dressed in a dark doublebreasted suit that strained to cover his wide shoulders. He advanced with unmistakable authority on squat, powerful legs. He was speaking on his cell phone but finished the call as he arrived. He motioned for Langdon to enter.
“I am Bezu Fache,” he announced as Langdon pushed through the revolving door. “Captain of the Central Directorate Judicial Police.” His tone was fitting—a guttural rumble... like a gathering storm...
Entity Extraction
...The man was stocky and dark, almost Neanderthal, dressed in a dark doublebreasted suit that strained to cover his wide shoulders. He advanced with unmistakable authority on squat, powerful legs. He was speaking on his cell phone but finished the call as he arrived. He motioned for Langdon to enter.
“I am Bezu Fache,” he announced as Langdon pushed through the revolving door. “Captain of the Central Directorate Judicial Police.” His tone was fitting—a guttural rumble... like a gathering storm...
Possible Problems
...The man was stocky and dark, almost Neanderthal, dressed in a dark doublebreasted suit that strained to cover his wide shoulders. He advanced with unmistakable authority on squat, powerful legs. He was speaking on his cell phone but finished the call as he arrived. He motioned for Langdon to enter.
“I am Bezu Fache,” he announced as Langdon pushed through the revolving door. “Captain of the Central Directorate Judicial Police.” His tone was fitting—a guttural rumble... like a gathering storm...
One entity → several names
Non-entities
Also: one name → several entities
Anonymous references
Co-occurence Detection
...The man was stocky and dark, almost Neanderthal, dressed in a dark doublebreasted suit that strained to cover his wide shoulders. He advanced with unmistakable authority on squat, powerful legs. He was speaking on his cell phone but finished the call as he arrived. He motioned for Langdon to enter.
“I am Bezu Fache,” he announced as Langdon pushed through the revolving door. “Captain of the Central Directorate Judicial Police.” His tone was fitting—a guttural rumble... like a gathering storm...
Network ConstructionConnection thickness—number of co-occurrences
Circle area—number of references to the entity in the text
Detecting ClustersBlue: “detective” (Robert, Sophie, police, Paris)
Orange: “mystic” (Leigh, Grail, Bible, Britain)
Green: “conspiracy” (Silas, Teacher, Jesuits, Castel Gandolfo)
BetweennessLabel size—betweenness centrality (BC). The higher is BC—the more “central” is the character / place
Highest BC: Robert, Sophie, Leigh, Bishop Aringarosa, Holy Grail, Captain Fache, Silas, Jesus, Leonardo, Church, and Sauniere
Summary
● Identified three plot lines, including characters and locations
● Identified “most important” characters● Network as a navigational chart of the book● Almost no reading involved!