[OSM-talk] Fw: [CrisisMappers] Search interface on the Person Finder data

Mikel Maron mikel_maron at yahoo.com
Thu Jan 21 11:59:39 GMT 2010


Some musings on geocoding in Haiti ... any possible improvements to our tools?

 == Mikel Maron ==
http://mapkibera.org/
+254 (0) 724899738
mikel at osmfoundation.org



----- Forwarded Message ----
From: Talbot Brooks <tbrooks at deltastate.edu>
To: crisismappers at googlegroups.com; crisismappers at googlegroups.com
Cc: Rares Vernica <rares at ics.uci.edu>
Sent: Thu, January 21, 2010 6:26:29 AM
Subject: RE: [CrisisMappers] Search interface on the Person Finder data

Re: [CrisisMappers] Search interface on the Person Finder data 
OK, so this requires two things, right?  Solid underlying data to geocode to, and a solid geocoder.  I think the latter might be a little easier to come by than the data.  In talking to folks who've lived there, it sounds like addresses were doled out loosely, if at all?  I can redirect some of my crew to help with this if someone can tell me a bit more how addresses work in Haiti (my gang spends a lot of time segmenting and assigning addresses to segments here in MS for 911 use).
 
This lends itself to another kinda related thought (sorry for my musings here) - there seems to be an emerging need for the same features in multiple geometries of like types.  Eg., we would want intersection to intersection segments for routing or perhaps geocoding, but long unsegmented sections for linear referencing purposes where addresses might not exist and local knowledge edges in (eg., go this far when you see the barn - y'all know - MS style directions).  I know there are dozens of data models and ways to handle this, but as OSM has become my epiphany this last week or two, I'm wondering if there's a way to start thinking of this sort of thing within that framework?
 
Sorry for the long musing - should probably have been in bed hours ago...
 
Talbot
 
TalbotBrooks, Director
DeltaState University GIT
Box3325
Cleveland, MS 38733
USNG (NAD 83): 15SYT09823640
O: 662-846-4520
C: 662-588-8649
F: 662-846-4099
http://gis.deltastate.edu


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________________________________
 From: crisismappers at googlegroups.com on behalf of Chen Li
Sent: Thu 1/21/2010 12:15 AM
To: crisismappers at googlegroups.com
Cc: Rares Vernica
Subject: Re: [CrisisMappers] Search interface on the Person Finder data


Talbot, 
Currently we treat addresses simply as keywords and allow search on 
them.  We would like to do location-based "fuzzy" search, but noticed 
that most addresses are very inaccurate.  If people can provide a good 
geocoder for these addresses, we can show the information on a map. 
Any suggestion or geocoder helper? 
Chen Li 

On Wed, Jan 20, 2010 at 9:33 PM, Talbot Brooks <tbrooks at deltastate.edu> wrote: 
> Checked it out - very cool work.  A couple of thoughts: 
> 
> Does the fuzzy search apply to the locations where folks might be located in 
> case an entry is fat fingered? 
> 
> Is it possible to geocode the location of the most recent report or provide 
> a last know location that can be mapped as part of the results? 
> 
> Talbot Brooks, Director 
> Delta State University GIT 
> Box 3325 
> Cleveland, MS 38733 
> USNG (NAD 83): 15SYT09823640 
> O: 662-846-4520 
> C: 662-588-8649 
> F: 662-846-4099 
> http://gis.deltastate.edu 
> 
> CONFIDENTIALITY. This e-mail (including any attachments) may contain 
> confidential, proprietary and privileged information, and unauthorized 
> disclosure or use is prohibited. If you received this e-mail in error, 
> please notify the sender and delete this e-mail from your system. 
> (Please note Delta State University's email system blocks all email with 
> .zip attachments) 
> ________________________________ 
> From: crisismappers at googlegroups.com on behalf of Chen Li 
> Sent: Wed 1/20/2010 11:21 PM 
> To: crisismappers at googlegroups.com 
> Subject: [CrisisMappers] Search interface on the Person Finder data 
> 
> Dear all, 
> 
> In addition to working with Tim to crawl and scrape more data, the UCI 
> team has been studying how to develop a powerful search interface on 
> the integrated Google data set.  We have built a search prototype at 
> 
>         http://fr.ics.uci.edu/haiticrisis 
> 
> which uses a similar style as the current UI at 
> 
>         http://haiticrisis.appspot.com/query 
> 
> A few features of our search interface: 
> 
> - It supports full-text search as you type. Example: "philpe camene". 
> - It supports fuzzy search. Example: A query "bernedeute" can find 
> records with "BERNEDETTE". This feature is important especially due to 
> the noisy data possibly in different languages. 
> 
> We are sending this email for two purposes: 
> 
> - Get your feedback on this search interface; 
> - In case some other people (e.g., those from Google) are working on a 
> search interface, we want to see whether we can contribute our 
> strengths into the search interface. 
> 
> Thanks. 
> 
> Chen Li at UCI 
> 
> 
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