BluePrint: Text Search

Introduction

The Blueprint outlines the development of two functionalities for Sahana Eden. They are:

Full-text Search

• It will provides users to search for text in uploaded documents.

Global Search

• It will provide users to search for text over multiple resources (eg. Organization, Hospital, etc.).

Stakeholders

• The End Users
  

Agencies like:

• TLDRMP : Timor Leste Disaster Risk Management Portal
• CSN : Community Stakeholder Network
• LAC: Los Angeles County
• IFRC : International Federation of Red Cross and Red Crescent Societies

User Stories

For Full-Text Search:

• The user will have to go to Document module and Search option. Then he has to type the text(or the specified query format) to search in all the uploaded documents.
• The result will be the name on the document, the link to the uploaded documents(specifying the authorization checks) and a line of text containing the search string.

Requirements

Functional

For Full Text Search:

• Proper understanding and the work model of S3Search(depricated) and S3Filter is required.
  
• Literature study of Apache Lucene and PyLucene.
  
• Getting familiar with PyLucene and deploy it into my local machine.
  
• Studying the linkage of the Lucene daemon and web2py server.
  
• Extend the functionality of S3Filter by introducing an addition feature (which is a text field) to search for text through documents.
  

Non-functional

Standards

System Constraints

• The user should have PyLucene installed in there machine.
• Also, while starting the web2py server, the Lucence deamon should also start.
• In case of failure, the search query related to full-text search will not be functional.

Use-Cases

Design

Workflows

Site Map

Wireframes

Technologies

Implementation

References

Chats and Discussions

​http://logs.sahanafoundation.org/sahana-eden/2013-03-24.txt
​http://logs.sahanafoundation.org/sahana-eden/2013-03-24.txt
​http://logs.sahanafoundation.org/sahana-eden/2013-04-20.txt

Online Resources

​http://lucene.apache.org/core/4_2_1/queryparser/org/apache/lucene/queryparser/classic/package-summary.html#Boosting_a_Term
​http://lucene.apache.org/pylucene/features.html
​http://oak.cs.ucla.edu/cs144/projects/lucene/

---

BluePrint