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Standing on the Shoulders of Giants v4
Transcript of Standing on the Shoulders of Giants v4
On software reuse and software composition
Given as part of a
Startup Programming course
Software generality and use cases
We wish to examine software by its generality:
Identify a general need
The user configures the software
Library / SDK / API
Addresses a specific use-case
The developer configures the software application
Generality is not static
Adding more use cases (features) for a specific application
Generalizing a specific application by creating an API / SDK
Tailoring a general application for a specific use case
Bringing together data sources / technologies to create something greater than the sum of its parts
Unexpected use cases
Google Technologies as Infrastructural
An observation: the specific use case changes the abstraction level of the underlying technology
Pub owner wants to use YouTube
Using Google Maps to plan a trip
Wedding website based on Picasa
Based on slides by Ohad Barzilay
Pandora: streaming music + personal favorites
Yelp: search finding service + readers reviews
Layers in Google Maps:
What are the Mashups?
Phrasing advice (also word)
Don't Limit Yourselves