| Name | Student # | csid |
|---|---|---|
| Cindy Hsu | 16812166 | q3a1b |
| Theodorus Jossoey | 37452802 | v9y1b |
Note: This project requires a yelp api key inside secrets.pl in order to be run.
We have seen Prolog to be effective in operating on lists and atoms, but how practical are the applications?
This Prolog program formats and sends HTTP GET requests to the Yelp search API. It is part of an investigation to evaluate the effectiveness of logic programming on complex objects, as well as test out various I/O and JSON marshalling built-ins that Prolog offers.
Upon querying with search/1;2;4, the program will print up to 10 restaurants that
best match the query.
4xx and 5xx response statuses are printed to stderr.
swipl[main]search("<search-terms>", "<location (REQUIRED)>", <price-list>, <min-rating>).
The convenience methods search("<location>"). and search("search-terms>", "<location>"). also work if you want to include all prices and ratings. Only location is required. No quotes are required if the search term/location are one word, as the atom will automatically be converted into a string. For example: search("cat cafe", vancouver). Minimum Rating should be a single number from 0-5.
Price list is a filter, in case you want to exclude cheap or expensive restaurants.
<price-list> should be in the format [1,2,3,4], with the greater numbers representing more expensive restaurants.
Only 1-4 are legal, and any other numbers will cause the program to return false. The list should contain the prices you want to include in your search.
E.g. "I want cheap restaurants! $ and $$ only!" -> [1,2]
With swi-prolog installed:
swipl -o mystate --stand_alone=true -c main.pl
This .exe should be executable on any machine of the same architecture.
search(yaletown).
search("wine bar", yaletown).
search("wine bar", "vancouver-yaletown", [3,4], 0).
search("wine bar", "vancouver-yaletown", [3,4], 4.5).
search(restaurants, "vancouver yaletown", 4, 5).
search(abcdefghijklmnop).
search(restaurants, yaletown, [4,5,6], 0).
search(restaurants, yaletown, 1, 6).