Gallery 2 Advanced Search Module
Project Description
The previous implementation of Gallery2's search module suffered from poor performance, a problem particularly pronounced for large datasets because no indexes were used for efficiency. The solution to this performance and scalability problem was to remake the gallery search module using a DBMS agnostic full text indexing algorithm. Furthermore, the previous search implementation did not support complex queries (such as queries containing boolean operators) or effectively support even basic relevance-based ranking algorithms. By maintaining a full text index and creating an enhanced query parser I was able to implement improvements in both these areas.
Images
Features
- Search index creation / maintaince
- Supports boolean query logic
- Supports nested boolean statements
- Queries can be run on specific fields
- Respects Gallery2's existing permissions system
- Works on all databases supported by Gallery2
- Support for internationalization
- Extensible with additional functionality in development:
- Revised UI
- Indexing API to support data from 3rd party Gallery2 modules
- Intelligent sorting of results (Best Match)
- Support for steming to improve search recall
- Phrase-match querys
Files
- Current alpha version of the AdvancedSearch module (as of May 13th, 2008).