Table 1 Tuning of the search engine regarding the prior art search task.
From: Development and tuning of an original search engine for patent libraries in medicinal chemistry
Strategy | Tuning | P0 | MAP |
|---|---|---|---|
Impact of the description field | Description | 2.20% | 1.34% |
| Â | No description | 2.87% | 1.52% |
Impact of the metadata field | No metadata | 3.64% | 1.93% |
| Â | Metadata on TAC | 3.63% | 1.92% |
| Â | Metadata on TACD | 2.87% | 1.52% |
Impact of the weighting model | PL2 | 2.87% | 1.52% |
| Â | BM25 | 5.36% | 3.47% |
Impact of the co-citation network | Without re-ranking | 5.36% | 3.47% |
| Â | With re-ranking | 6.76% | 4.22% |
Impact of the use of IPC codes | No IPC codes | 6.76% | 4.22% |
| Â | IPC codes | 5.88% | 3.66% |