The objective of query refinement is to produce a set of potential candidate queries that can function as enhanced and improved versions. This involves systematically applying various unsupervised query refinement techniques to each query within the input dataset.
 | ||
|
Class Diagram for Query Expanders in qe/. [zoom in!]. The expanders are initialized by the Expander Factory in qe/cmn/expander_factory.py |
Here is the list of queries:
| Expander | Category | Analyze type |
|---|---|---|
| adaponfields | Top_Documents | Local |
| anchor | Anchor_Text | Global |
| backtranslation | Machine_Translation | Global |
| bertqe | Top_Documents | Local |
| conceptluster | Concept_Clustering | Local |
| conceptnet | Semantic_Analysis | Global |
| docluster | Document_Summaries | Local |
| glove | Semantic_Analysis | Global |
| onfields | Top_Documents | Local |
| relevancefeedback | Top_Documents | Local |
| rm3 | Top_Documents | Local |
| sensedisambiguation | Semantic_Analysis | Global |
| stem.krovetz | Stemming_Analysis | Global |
| stem.lovins | Stemming_Analysis | Global |
| stem.paicehusk | Stemming_Analysis | Global |
| stem.porter | Stemming_Analysis | Global |
| stem.sstemmer | Stemming_Analysis | Global |
| stem.trunc | Stemming_Analysis | Global |
| tagmee | Wikipedia | Global |
| termluster | Term_Clustering | Local |
| thesaurus | Semantic_Analysis | Global |
| wiki | Wikipedia | Global |
| word2vec | Semantic_Analysis | Global |
| wordnet | Semantic_Analysis | Global |
Back translation, also known as reverse translation or dual translation, involves translating content, whether it is a query or paragraph, from one language to another and retranslating it to the original language. This method provides several options for the owner to make a decision that makes the most sense based on the task at hand. For additional details, please refer to this document.
| q | map q | language | translated q | backtranslated q | map q' |
|---|---|---|---|---|---|
| Italian nobel prize winners | 0.2282 | farsi | برندهای جایزه نوبل ایتالیایی | Italian Nobel laureates | 0.5665 |
| banana paper making | 0.1111 | korean | 바나나 종이 제조 | Manufacture of banana paper | 1 |
| figs | 0.0419 | tamil | அத்திமரங்கள் | The fig trees | 0.0709 |