All websearch settings are mandatory.
The Websearch Implementation
web.search.class - What class should be use to do web search (used in subject column detection for computing the ws score). It must extend uk.ac.shef.dcs.websearch.WebSearch and uk.ac.shef.dcs.websearch.WebSearchFactory must be revised to instantiate it by reflection.
Exampleweb.search.class = uk.ac.shef.dcs.websearch.bing.v5.BingSearch
BingSearch specific settings
bing.key - This is the API key to be used with BingSearch. You should apply for your own at: https://datamarket.azure.com/dataset/bing/searchweb (Bing Search API, Web Results Only).
Examplebing.key = e413ab08c2e74283b12205f9453350ee
bing.url - Default URL to access Bing Search API (Web Results Only).
Examplebing.url = https://api.cognitive.microsoft.com/bing/v5.0/search?q=