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version note: AAT ICAS version 7.02 Basilicum is declared effective as an informative working draft as of UCN 12007X12 Yellow, and supersedes any previous ICAS standards and terms of use. draft-status documents are effective yet are subject to change during a process of review. please refer to AAT ICAS Basilicum-1002 for information about the most recent version activity. standards documents for the effective version contain additional specifications, a different organizational structure, and certain material changes from prior ICAS standards. all registered and non-registered users or developers of AAT ICAS must update to ICAS version 7.02 Basilicum.
document note: this document is part of the Integrated Chronological Applications System (ICAS). Alliance for the Advancement of Technology (AAT) provides ICAS standards documents subject to terms of use described in document AAT ICAS Basilicum-9010. please refer to other key AAT ICAS standards documents accessible via the AAT ICAS web site at http://www.aatideas.org/icas for important information about ICAS.
update note: this series is in process of update to a forthcoming version of ICAS. some areas of ICAS standards might be updated before other areas. interested parties should subscribe to the AAT aaticas discussion or register a license.

welcome to ICAS

The most recent date of version activity is:

AAT ICAS version 7.02 Basilicum as of UCN 12007X12 Yellow

table 9900.1-web index of AAT ICAS Basilicum

web index of AAT ICAS Basilicum
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filetype HTMLfiletype XHT
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z(forthcoming)
Those new to ICAS can start with an overview in AAT ICAS Basilicum-2010.(forthcoming)
series 1000 TOC 1001—specifications briefsarea 1000 preview
series 2000 TOC 2001—resources briefsarea 2000 preview
series 3000 TOC 3001—element set specificationsarea 3000 preview
series 3100 3001—element set specificationsarea 3100 preview
series 9000 TOC 9001—AAT ICAS administrative documentsarea 9000 preview
series 9900 (the index documents)area 9900 (this page)
series 9000 TOC 9001—AAT ICAS administrative documents(forthcoming)
AAT efforts to upgrade to a next version of ICAS are in process. Please keep in mind that the standards documents are structured for use by specialists, that development anticipates a specification of a forthcoming ICAS English vocabulary, and that the development of additional content is expected.
This document serves as a web index of the AAT ICAS Basilicum standards documents. It is not intended as a conformative index of standards content, but rather as a guide to areas of content.

ICAS STANDARDS UPDATE

the AAT ICAS standards documents are expected to be revised in the next months.

the version identifier is expected to remain 'Basilicum' as no changes are expected that would affect compatibility with the current 'Basilicum' standards.

as the general organization of the standards has served a variety of different applications or projects for the organization of ICAS concepts, the general organization is expected to remain the same, with little if any changes to the document names.

however the file extensions are expected to change from 'html' to 'xht'.

ADMINISTRATIVE LICENSING UPDATE

to facilitate the development of standards, AAT ICAS hereby grants administrative licensees rights of development in the manner described in the IEEE Standards Style Manual (2007, p7).

AAT ICAS administrative licensing will provide for recognized administrative developers to be granted unrestricted world rights to use an AAT ICAS document as the basis for the development of a 'designated administrative licensee' standard and for all future revisions and editions of that standard in all media known or henceforth known and/or developed.

for example, an administrative licensee (like IEEE, BIPM, ISO, NIST, OASIS, W3, LISA, UNESCO, or so forth) could appropriate any AAT ICAS standard document as the basis for an independently-developed ICAS (like IEEE ICAS or W3C ICAS or so forth), or as the basis for any other existing or future standard-type to be designated by a developer.

administrative developers shall retain all rights for the copyright and development of their own designated standards. and AAT ICAS shall retain all rights for the copyright and development of AAT ICAS standards. all parties shall agree to give proper reference credit for any adopted or independently-developed material.

should a developer have a reason to believe that an additional permission or license agreement might be required, then contact the AAT ICAS department for clarification.

LEAP DAY ALGORITHMs

Claus Tondering's document Frequently Asked Questions about Calendars provides a very informative historical overview of many world calendars.

the sections describing when new year's began and when leap days were observed might suggest that it is simpler to make certain calendrical calculations (such as calculating the day of the week, month, or year) if a leap day (intercalated day) is observed at the end of a year.

a leap day at the end of a calendar year was observed in the French Revolutionary Calendar.

a leap day at the end of a calendar year is also observed in the ICAS Uniform Calendar (which observes the same New Year's day, and New Year's Eve, as the Gregorian calendar).

if a leap day is not at the end of a calendar year, then an algorithm to calculate a leap day as if it were at the end of a year can facilitate the use of simpler formulas for various calendrical calculations.

for an example that is also acknowledged to Claus Tondering, please see _XSLT Cookbook_ (2nd Edition) by Sal Mangano. a sidebar on page 115 describes a method for calculating the day of the week given a year, month, and day.

for examples of algorithms for the ICAS Uniform Calendar, please see the AAT ICAS code library, and the AAT ICAS standards documents.

ANNUAL REPORT UPDATE

a print version of the annual report for the 12007 program year still remains in process (and there are still no changes in financial or fiscal information for NC 12007 that have already been disclosed on the AAT web site).

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aatideas.org document updated:

system identifiersdatetime
longshortscalevalue
Uniform CalendarUCUCN 12008K21 Red
Inter-Dial ClockIDCzone(UT)t361 tt180
'ICAS in use' can accommodate calendar and clock formatting 'for all people, for all time'.
day of yearD-o-YAD common year day291
Gregorian calendarGG2008 October 17 Friday
seconds, minutes, hoursSMHUT08:40:06
style legend

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