You will find the following pages:
About: What is the CiNii Article Database NII 論文情報ナビゲータ?
Searching: How to search the NII CiNii Articles Database: Simple Search & Advance Search
Search Tips: Keyword combinations and Boolean operators within the CiNii Articles Database
Boolean Operators page helps you understand how the Boolean operators (AND, OR, NOT) works. Outside Link
Use Only: Japanese for Japanese language articles and English for English language articles or search in English language abstracts if they are provided.
3 search tabs
1. Article Search: keyword search for articles
2. Author Search: keyword search for author names
3. Full Text Search: search in full texts by keywords (beta version)
You can select the following option.
Click on Advanced Link 詳細検索 for more search options.