The document outlines a problem statement focused on gathering essential information about companies, including registered names, addresses, and stock exchange ticker symbols. It discusses various data repositories such as Freebase and DBpedia, emphasizing the verification of licensing for reuse and the challenges encountered, such as inconsistency and missing data. Additionally, it highlights the exploration of alternatives like Corpwatch API and OpenCorporates for accessing comprehensive company information.

2. PROBLEM STATEMENT
Find the following information about companies:
• Registered name
• Alternative name(s)
• Acronym(s)
• Address
• Homepage URL
• Stock Exchange ticker symbol

3. SEARCH LINKED DATA REPOSITORIES
• Freebase (https://developers.google.com/freebase/index)
• Query dataset to determine if required information was available
• Investigate licensing for re-use (CC-BY)
• DBPedia (http://dbpedia.org)
• Query dataset to determine if required information was available
• Investigate licensing for re-use (CC-BY-SA)
• Conclusion
• Lack of consistency across the dataset
• Missing information (e.g. ticker symbol) from dataset

4. USE GOOGLE TO FIND REPOSITORIES
• Searched for “company information api”
• Investigated several repositories
• CorpWatch API
• Missing the ticker symbol
• No explicit licensing, but need to be made contribution needs to be made
public
• OpenCorporate
• Provides information about over 55,000,000 companies
• Investigate licensing for re-use (CC-BY-SA)

5. INFORMATION
This presentation is based on a blog post (http://linked-
data.blogspot.com/2013/08/re-using-open-access-content.html) in the
context of the P2PU course on OpenScience
(https://p2pu.org/en/courses/5/open-science-an-introduction/)