Serving up Beyond 2020 files on the WWW

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Serving up Beyond 2020 files on the WWW

• DLI workshop - Ontario region
• March 30, 2000
• University of Guelph

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Unix WWW server environmentLaine Ruus,
University of Toronto Data Library Service

• Windows NT WWW server environment
• Walter Giesbrecht, York University Library Data
  Services

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With acknowledgements to Vince Gray, UWO/SSCL
who first discovered this was possible!
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What well be talking about

• advantages to serving up B20/20 files via a WWW
  server
• how to do it in a Unix environment
• how to do it in a Windows NT environment
• how to create the HTML files youll need
• links to more information

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Alternatives to providing access to Beyond 20/20
files

• pass-through lending CD-ROMs
• pass-through copy of ftpd files to user
• install on stand-alone workstations
• install on a LAN
• serve WWW plug-in such as WinFrame (ICA or
  RDP-based)
• serve as full WWW helper application

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Advantages to serving up Beyond 20/20 files via
WWW 1

• allows you to serve files regardless of the
  original file medium
• provides 24x7 remote access
• ability to customize the interface
• sidestep limits of indexing of individual
  products
• integrate files from different editions and
  products

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Advantages to serving up Beyond 20/20 files via
WWW 2

• more secure than loaning out CD-ROM
• less competition for disk space on LAN servers or
  stand-alones
• doesnt require dedicated CD-ROM drive
• faster access than e.g. WinFrame
• by-passes installation problems

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Major types of B20/20 files

• table files -- for aggregate statistics
• extract files -- for microdata
• map files -- for data visualization

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B20/20 files that can be served via WWW

• table files
• standard WWW server
• users need B20/20 client software
• alternatively with Beyond 20/20 web data server
  (NT-based)
• extract files
• very kludgy
• Ivation server plans to do this sometime in 2000

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Serving B20/20,Unix fashion 1

• server must be configured with correct MIME type
• application/x-beyond2020
• file extension .ivt

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Serving B20/20,Unix fashion 2

• STC limited use contract requires DLI and DSP
  files be available
• to faculty/students/staff of your academic
  institution
• (DSP only) walk-in users of your library
• files must be restricted access
• IP-address protected, or
• account and password protected

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Serving B20/20,Unix fashion 3

• if CD-ROM product
• upload all .ivt files to appropriate directory on
  server in binary mode
• if product obtained via ftp as compressed file
• .zip or .exe extension
• uncompress using unzip
• or uncompress in Windows and upload

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Serving B20/20,Unix fashion 4

• make subdirectory(ies) containing files world
  readable and executable
• make file(s) world readable
• command
• chmod 755 (read execute)
• or
• chmod 744 (read only)

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Serving B20/20,Unix fashion 5

• store or link subdirectories/files within WWW
  server area, command
• ln -s existing_path/filename newname

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Serving B20/20,Unix fashion 6

• And, finally.
• edit the ivtables.dir or ivtables.fra file to
  make an HTML page for the item
• store the HTML file in either WWW server area or
  a linked subdirectory
• TEST the HTML document before releasing it.

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.and now....
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Serving B20/20,WinNT fashion 1

• server must be configured with correct MIME type
• application/x-beyond2020
• file extension .ivt
• access must be restricted

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MIME type configuration
Access configuration
from Internet Service Manager console
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Serving B20/20,WinNT fashion 2

• if CD-ROM product
• copy/upload all .ivt files to appropriate
  directory on server in binary mode
• if product obtained via ftp as compressed file
• .zip or .exe extension
• uncompress using compression utility (e.g.,
  WinZIP)

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Serving B20/20,WinNT fashion 3
Creating virtual directories
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Serving B20/20,WindowsNT fashion 4

• And, finally.
• edit the ivtables.dir or ivtables.fra file to
  make an HTML page for the item
• store the HTML file in subdirectory (real or
  virtual) of \wwwroot
• TEST the HTML document before releasing it.

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B20/20 via HTML 1

• use the ivtables.dir found in the directory with
  the .ivt files

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B20/20 via HTML 2

• Summary
• Categories4
• Files32
• Extracts0
• Categories
• C1June 1999 Business Register Data by Census
  Division
• C2June 1999 Business Register Data by CA/CMA
• C3June 1999 Business Register Data by Census
  Sub-Division
• C4June 1999 Business Register Data by Provinces
• Files
• T1CDNAIC2.IVT,"June 99 Establishment counts by
  PROV/CD, Sectors Emp.",0,Table
• T2CDNAIC3.IVT,"June 99 Establishment counts by
  PROV/CD, Subsectors Emp.",0,Table
• T3CDNAIC4.IVT,"June 99 Establishment counts by
  PROV/CD, Industry Groups Emp.",0,Table

Fragment of ivtables.dir from cbp
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B20/20 via HTML 3

• ltCENTERgt
• ltTABLE bordergt
• ltTRgtltTHgtFile namelt/THgtltTHgtContentlt/THgtlt/TRgt
• ltTRgtltTH alignleft colspan2 bgcolorCCCCCCgt1999
  (June) Business Register Datalt/THgtlt/TRgt
• ltTRgt
• ltTDgtnbsplt/TDgtltTHgt1999 (June) Business Register
  Data for Canada and provinceslt/THgtlt/TRgt
• ltTRgtltTDgt
• ltA href"http//prod.library.utoronto.ca/datalib/d
  atar/cstdli/cbp/1999/TABLES/PRNAIC2.IVT"gt
• PRNAIC2.IVTlt/Agtlt/TDgt
• ltTDgtEstablishment counts by Canada and provinces
  (13), industry sector (NAICS, 2-digit)(22) amp
  employment category (number of employees)(11)lt/TDgt
  lt/TRgt
• ltTRgtltTDgt
• ltA href"http//prod.library.utoronto.ca/datalib/d
  atar/cstdli/cbp/1999/TABLES/PRNAIC3.IVT"gt
• PRNAIC3.IVTlt/Agtlt/TDgt
• ltTDgtEstablishment counts by Canada and provinces
  (13), subsectors (NAICS, 3-digit)(101) amp
  employment category (number of employees)(11)lt/TDgt
  lt/TRgt

Fragment of resulting HTML file
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B20/20 via HTML 4
Category number

• Categories
• C1June 1999 Business Register Data by Census
  Division
• C2June 1999 Business Register Data by CA/CMA
• C3June 1999 Business Register Data by Census
  Sub-Division
• Files
• T1CDNAIC2.IVT,"June 99 Establishment counts by
  PROV/CD, Sectors Emp.",0,Table
• ...more of the same...
• T23CSDSIC3.IVT,"June 99 Establishment counts by
  PROV/CSD, Industry Groups Emp.",2,Table

Physical file name
Table number
Category reference
Table title
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