Would the Tracker maintainers be OK with additions to Tracker's ontology 
described below if I submit a patch?

Thanks,

Matt

-----Original Message-----
From: Compton, Matthew 
Sent: Monday, October 11, 2010 5:30 PM
To: 'tracker-list@gnome.org'
Subject: Additions to Tracker Ontology for Chinese Use Cases

Hello Tracker Devs,

I am working with a customer who would like to add two additional properties to 
Tracker's nco:Contact class to support additional ways of looking up and 
sorting Chinese contacts. They need to store a Pinyin name 
(http://en.wikipedia.org/wiki/Pinyin) and a T9 representation of the Pinyin 
name for a contact. The T9 representation corresponds to how the numbers on a 
telephone keypad are mapped to English characters of the contact's Pinyin name 
(i.e. 2 maps to 'A', 'B', and 'C'; 3 maps to 'D', 'E', and 'F'; etc.).

Here are some examples showing "name in Chinese" -> "name in pinyin" -> "T9 
representation":

刘静  ->  Liu Jing  ->  5485464
罗喧  ->  Luo Xuan  ->  5869826
马芳芳  ->  Ma Fang Fang  -> 6232643264

The first use case is that it is apparently very common for phone users in 
China to look up names in their contact list using the T9 dial pad. So in data 
from above, if the user clicks '5' on the dial pad, they want to perform a 
search using Tracker to get the results "Liu Jing" and "Luo Xuan". When the 
user then clicks the '8' on the dial pad Tracker would be searched again and 
only return "Luo Xuan".

My customer also wants to support searching for Chinese contacts using their 
Pinyin names. So if the user types "L" using the virtual or physical keyboard 
on the phone, again both "Liu Jing" and "Luo Xuan" should be returned. If the 
user adds an "i", another Tracker search will be performed which should return 
only "Liu Jing".

The other important use for the Pinyin name is for sorting the contacts list. 
My customer wants to sort Chinese names among English names using their Pinyin 
representation. So if the English Names "Matt Compton" and "John Doe" are added 
to the list of Chinese names above, the list of names should be sorted 
alphabetically as follows:

1. John Doe
2. Liu Jing
3. Luo Xuan
4. Ma Fang Fang
5. Matt Compton

They don't want to have all of the English names listed and then have all of 
the Chinese names listed (or vice versa).

I'm hoping that the Tracker project would support adding these fields to the 
official ontology so we don't have to modify and maintain our own version of 
Tracker's ontology. If you are OK in general with these two additional fields I 
can submit a patch that adds them to the ontology files in the Tracker git repo.

Thanks in advance for your help,

Matt
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