Embed Size (px)
DESCRIPTION
Introduction to Humanities Computing. Spring 1999. Lecture Six. Passport to Tour. What is the important Concept from Computer Confluence Chapter 6 Devoted to spread sheets Which is transferable to The world of text analysis ?. Malleable Matrix. A tour. - PowerPoint PPT Presentation
Citation preview
Introduction to Humanities Computing
Spring 1999Lecture Six
Passport to Tour
What is the importantConcept from
Computer Confluence Chapter 6 Devoted to spread sheetsWhich is transferable to The world of text analysis
?
Malleable Matrix
A tour
Dartmouth Dante Database Project DDP is still best accessed via Telnet. The address remains:
library.Dartmouth.EDU
at the prompt type
connect dante
What is an electronic text?
Can you provide examples?
What type of electronic text will survive?
What is a electronic text? Any string of characters Any file or document that can be read A word processing file A text file
Types of Electronic Texts
Literary text Linguistic corpus Hypermedia work
A variety of forms WWW site (Hypermedia)
Myst, Macbeth (Software, Text, and Media)
MS Word formatted file (Wordprocessing)
ASCII Text file (aka “Flat File”)
ASCIIAmerican Standard Code for Information Interchange
0 Null3 EOT (end of text)13 CR (carriage return)
32 SP (space) 48 0 49 1 65 A
97 a, 98 b, 99 c ...
Coding Standards ASCII = 7 bits per character
128 characters - 7 bits per character32 Reserved for printing infoRest for printing characters
Extended ASCII = 8 bits or 1 byte, 256 characters, upper ASCII characters used for special
characters, characters with diacritical marks & ligatures
UNICODE = 16 bit character set65,000 characters - most known languages
Why? Cross-Platform Long-term survival of data You can use it to encode more complex
documents using markup (SGML)
ASCII Text + Markup =
Electronic Representation of Literary Text
Encoding <html><Head><Title>Welcome</Title></Head><Body><H1>Welcome to 3F03</h1>This is the home page for 3F03<P><B>Quantitative Methods in the Humanities </B> Français</Body></html>
In HTML all formatting provided by codes using ASCII characters
Content Model
Text
Head Body
Title Heading Paragraph
Limits of HTML No codes for many of the features:
Character, Author, Text type, Sonnet, Lines
Text analysis software can’t handle it
Languages other than English
COCOA Markup Continuous Tags
Do note require closing </tag> - change value Format:
<variable value> (angled brackets < > are delimiters)
Example<speaker Romeo><scene 1><L 1><text-type frontmatter><<Comments not meant to be indexed>>
COCOA example<Title Misunderstanding><<Example for Demonstration, 1997>><t titlepage>THE MISUNDERSTANDINGA PLAY IN THREE ACTS<t dedication>To my friends of the THEATRE DE L'EQUIPE
<t characters>CHARACTERS IN THE PLAY:THE OLD MANSERVANT ...MARIA<t information>LE MALENTENDU (THE MISUNDERSTANDING) was presented for the first time at the Theatre des Mathurins, Paris, in 1944
Example continued<act 1><t stagedir>Noon. The clean, brightly lit public room of an inn. Everything is very spick and span.
<t play><p mother>He'll come back.<p martha>Did he tell you so?
Brief HistoryText Analysis Tools
Text-analysis tools grew out of concordances:1247, Concordance to the Vulgate Bible, Paris1949, Father Busa Index Thomisticus1970s, Batch Concordancers like OCP1989, TACT - Interactive Concordancers1990s, Textual Visualization
What can be done... Text-analysis tools provide
SpeedComplex SearchesReconfigured ViewsStatistics
Researchers can generate
custom concordances interactively
Concordances and Interpretation Concordances provide an alternative arrangement
of the text that brings passages together into a concordantia.
Interpretative strategy where answers are drawn from the text by assembling passages on the subject in question and reading this rearranged text as a meaningful whole.
Concordance facilitates this rearrangement providing alternative views.
Types of Text-Analysis Stylistic
Describing author’s style and comparing itAuthorship studies
LinguisticCreate representative corpusDescribe linguistic use (diachronic or synchronic)
Thematic Finding patterns (words & phrases) in a textFollowing themes through a workComparing themes
Demands a reiterative reading
Problematic equationsThat a theme is the passages where a set of words appear
Can themes be identified by key words?What about ambiguous words?
That concording passages into a new text is an acceptable interpretative strategyWhere does the passage start and end around a word?Is reading a rearranged text appropriate?
That the distribution of words indicates the progress of a themeDo the number of hits indicate intensity of theme?
What’s the connection
Interpretation (Understanding)
Surface Measurement (Quantification)
Two ViewsText-analysis is about proving things about texts
Stylistic analysis provides reproducible descriptions of authors style
Measurement of surface features allows us to prove more interesting points
Reaction to impressionistic reader oriented literary theory
Text-analysis is the rereading a text in ways that help
one better understand it
Text-analysis is only one of many strategies
Text-analysis reveals anomalies to be researched
Text-analysis is useful precisely because the computer can’t do well what human readers do well, and can do other things well
E-Text Research ProjectPlanning
Prototyping Scanningor Buying
Proofing
TraditionalResearch
Markup
Interactive Study
Planning Phase
Implementation Phase
Research Phase
Publication
Obtaining an E-text Acquire one from someone else.
Oxford Text ArchiveSearch the Internet using WWWCommercial Vendors
Create it yourselfScan it using OCR software
OCR = Optical Character RecognitionType it in or hire services for inputMarkupValidate
