Hulan-2014-01-22

Question Answer System Development

States

• Index built with both standard and extended questions
• 80% accuracy when matching these questions

• Template confusion
• Template not complete

• Solution

• When matching questions, first match chatting patterns considering edit distance
• When matching professional patterns, considering distance as well after Lucent search
• Template should be designed to cover rationale questions, while search should handle general queries
• Should enrich template, and add the template in search
• Second pass search with advanced scoring

• Implementation details

• Increase template loading, using memory map
• N-best output
• Delete rules by graph labeling, periodic update

Advanced topics

• database QA
• Word semantic expansion

Team Management

• structure and non structure system integration
• explore new applications of the current technologies
• Setup a rush-hour team to boost Huilan QA, target for 70%