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Monday, April 06, 2009

New Google Maps Data API

Several folks on Twitter noted the Google Map Data API introduced at Web 2.0 Expo last week. Here’s what we know, based on a pic of a slide from the presentation:

Google Maps Data API

Google Data API=AtomPub
- XML/HTTP protocol for reading and writing data feeds
- http://code.google.com/apis/gdata

Google Maps Data API offers
- Storage of geospatial data
- Point, polyline and polygon geometry with more to come
- Create and edit My Maps
- Content optionally indexed and searchable in Google Maps
- Unlimited user-defined attributes
- Batch operations
- Incremental upload and download of changes
- Client libraries in a variety of languages

The link above highlights Data APIs that already are public; there’s nothing about the Map Data API, but you can get a sense of what it’s for by reading about the other APIs. The basic intro for us non-programmers from the About page:

The Google Data APIs provide a simple standard protocol for reading and writing data on the web.

The Data APIs use either of two standard XML-based syndication formats: Atom or RSS. They also have a feed-publishing system that consists of the Atom publishing protocol plus some extensions (using Atom’s standard extension model) for handling queries.

Those who signed up for the beta had to sign a non-disclosure agreement, so it’s unlikely we’ll hear much in the near future. Reports from Twitter say it’ll be available to the public within a month. This looks like it’s in the vein of GeoRSS, and with Google’s extensive reach will likely be widely used.

by Adena Schutzberg on 04/06 at 06:00 AM | Comments | Bookmark and Share

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