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Info-Mac 1992 August
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PSI 2.3
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Sample Sessions
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PSI 2.3 / June 21, 1992
Personal System for Information Management and Retrieval
© 1989, 1992 Markus P.J. Fromherz
This text has been formatted for display in a non-proportional font such as
Monaco or Courier.
SAMPLE SESSIONS
In the following, a term “M:E” means entry “E” of menu “M”.
• First session: Using the file “Videos”
* I this session, you will retrieve information from an existing PSI file,
using descriptors and templates. The file “Videos” contains information
about (mostly science fiction) movies. (The texts are in German.)
1 To start PSI and load “Videos”:
Double-click on file “Videos”, or double-click on PSI and then open
“Videos” with menu “File:Open …”. (A card window “Video” should open on
loading; if no such window appears, open it with menu “Schema:Video”.)
2 To search for movies of a specific category:
a Press button “Descriptors”. In the descriptor selection window, select
“Animation” in the list menu on the right and press “Okay”.
(“Category:Animation” appears on the bottom of the card window.)
b Press “Find”; since several animations are stored, a window opens that
allows to select one of them. Select one and press “Okay” to see its full
information in the card window. To see the next one, press “>>”; to see a
previous one, press “<<” (repeatedly). (There are nine movies belonging to
category “Animation”.)
3 To search for movies that belong to several categories:
a Press “Clear” and then bring up the descriptor selection window again by
pressing “Descriptors”. Select both “Animation” and “Science Fiction” and
press “Okay”.
b Press “Find” to find movies that are both animations and science fictions;
as only one movie is annotated as such, this one is displayed immediately
in the card window.
4 To search for movies of several categories:
a Press “Clear” and select descriptors “Animation” and “Fantasy” in the
descriptor selection window, select the radio button “or” (i.e. switch from
“and” to “or”), and press “Okay”.
b Press “Find” to find movies that are either animations or fantasies; there
are 16 movies described as either “Animation” or “Fantasy” (or both).
Select one; scroll through them with “<<” and “>>”.
c In the descriptor selection window, to switch to the other descriptor
class, select it and press “Show”, or double-click on it. Descriptor
selections remain valid when you switch classes. Press “Clear” in the
descriptor selection window to clear all selections. Try to find movies for
some of your selections.
5 To search for movies by templates:
a In the card window, press “Clear”. To look for movies directed by Terry
Gilliam, enter “*gilliam*” in the field labeled “Director”. Press “Find”
and select movies as before.
b Press “Clear” and then “Pattern”, so that your previous template reappears.
To look for movies Terry Gilliam directed in 1984, enter “1984” in the
field labeled “Year”. Press “Find” (only one such movie exists).
c Combine field entries to search for other movies that match your templates.
6 To search for movies by descriptors and templates:
Combine descriptors and templates. For example, select descriptor “Science
Fiction” and template (director) “*gilliam*” in order to look for SF movies
directed by Gilliam. Or use the same pattern, but check “not” in the
descriptor selection window in order to find movies directed by Gilliam
that were not SF movies.
• Second session: Creating a new file
* In this session, you will create a new PSI file, define a new card schema,
and then enter and describe (annotate) cards for this schema.
(To monitor your operations, turn on logging, i.e. check “Write log” in the
Options window.)
1 To start PSI, create a new file, and define a new schema:
a Start PSI, and create a new file with menu “File:New …”.
b Select “Schema:Schema”, and a dialog window “Schema” appears; enter
“Address”, the name for your first schema, in the field “Name”, position
the cursor to the field “Fields” and enter
Name, 3, Title, 1, "Home:", 3, Street, 3, ZIP Code, 1, City, 2
Press the “Add” button to define the schema.
You just defined a schema “Address” with the fields “Name”, “Title”,
“Street”, “ZIP Code”, and “City”, and with the additional text “Home:”.
c Press “Close” to close the window “Schema”.
2 To add and find cards of your schema:
a Select “Schema:Address” to open the dialog window for your schema
“Address”.
b Enter a sample address in the fields of the window and press “Add”. You
just defined a new card for the schema “Address”.
c Add more cards to “Address” by repeating the previous step.
d Check if all fields of the window are empty (press “Clear” if not) and press
“Find”. If you have entered several cards, a menu window offers all names of
the address you defined; if only one card exists, it is displayed immediately.
e If several cards where found, you may browse through these with the “<<” and
“>>” buttons.
3 To define descriptors:
a Select “Schema:Descriptors” to open the descriptor-handling window. Enter a
new descriptor class (e.g., “relation”) in the left edit field (labeled
“Descriptor class”) and press the “Add” button on the left. Add new descrip-
tors for that class (e.g., “relative”, “friend”, “business”) via the right
edit field (labeled “Descriptor”), pressing the “Add” button on the right
after entering each term. Try and add more descriptor classes and descriptors.
b In the list menu on the left, the descriptor classes are listed; to the right,
the descriptors for the currently selected class are listed. Double-click on
a class (or select one and press “Show”) to switch from class to class.
c Press “Close” to close the window.
4 To describe your cards:
a Back in the “Address” window, find and display one of your addresses as you
did before.
b Press “Descriptors”, select one or more fitting descriptors in the various
classes for the current address and press “Okay”. (Note the terms appearing
on the “Descriptors” line. The current address has been described (or
annotated or indexed) with these terms.)
c Press “Modify” to replace the old address by the new one.
d Annotate and modify all your addresses in the same way. (For new addresses,
you will of course add the descriptors at the time you enter the texts.)
5 To find cards by templates and descriptors:
To find cards matching patterns, proceed as in steps 2 through 6 of the
first session.
6 To list cards matching patterns:
Define patterns, but instead of pressing “Find”, press “List” to list all
matching addresses.
(See below on how to define export procedures to list your addresses
differently, as well as how to define import procedures to read addresses
from other files.)
7 To save your information:
Save you data with “File:Save”; quit with “File:Quit”.
• Third session: Using the file “References”
* In this session, you will experience card-to-card links and card-to-text
links. Imagine you want to build a database of book references and notes
concerning these books (two kinds of cards). Usually, you will look in your
notes to find literature for a certain topic; once you have found it, you
are interested in the actual bibliographic data of the books. Finally you
might want to get an abstract or summary of the book.
1 To start PSI and load “References”:
Double-click on file “References”, or double-click on PSI and then open
“References” with menu “File:Open …”.
2 To test the links:
a Open card “Book” and move the window towards the bottom or side of your
screen. (Note that “Book” will show bibliographic data.)
b Open card “Note”; try to move the window so that it doesn’t obscure the
“Book” window.
c Assume that you are interested in literature that gives advice on alcohol
problems. Select the descriptors “Advice” and “Alcohol” in card “Note” and
press “Find”; the only card pointing to an adequate text reference is
displayed immediately.
Note how the card referred to by the link in field “Ref” is displayed in
the “Book” card.
d Select the “Book” card and press “File”; the text referred to by the link
in field “File” is loaded into a new text window. You can change and save
this text.
e Repeat step c with other “Note” cards.
3 Background:
The “Ref” button and the automatic card-reference function are active if
the schema contains a field called “Ref”. The link syntax is
Schema:FirstField.
The “File” button is active if the schema contains a field called “File”.
The link has to be a standard Macintosh path name, which can be abbreviated
to denote a path relative to the home folder of the current PSI file.