Publications
Toward the automatic extraction of policy networks using web links and documents
Abstract
Policy networks are widely used by political scientists and economists to explain various financial and social phenomena, such as the development of partnerships between political entities or institutions from different levels of governance. The analysis of policy networks demands a series of arduous and time-consuming manual steps including interviews and questionnaires. In this paper, we estimate the strength of relations between actors in policy networks using features extracted from data harvested from the web. Features include webpage counts, outlinks, and lexical information extracted from web documents or web snippets. The proposed approach is automatic and does not require any external knowledge source, other than the specification of the word forms that correspond to the political actors. The features are evaluated both in isolation and jointly for both positive and negative (antagonistic) actor …
- Date
- 2012
- Authors
- Theodosis Moschopoulos, Elias Iosif, Leeda Demetropoulou, Alexandros Potamianos, Shrikanth Shri Narayanan
- Journal
- IEEE Transactions on Knowledge and Data Engineering
- Volume
- 25
- Issue
- 10
- Pages
- 2404-2417
- Publisher
- IEEE