PQPS: Prior-Art Query-Based Patent Summarizer Using RBM and Bi-LSTM

Table 6

Document size before and after filtering for sample patent applications.

Sample patent application	No. of patents before filtering	No. of patents after filtering	Sample IPC codes of filtered retrieved patents	Sample IPC codes of filtered-out retrieved patents
Bluetooth beacon attendance system based on smartphone and application method	1642	1074	G07C1, H04L29, H04B5, H04M1, G06Q50, G06Q10	A63F9, A61B5, G01N33, G06F21
Electronic watch having a compass function	1387	741	G04B47, G04G21, A61H39, G01C1, A44C5, A63B71	A47G19, A47C3, A47C7, A41D19, B25F1, F21V33
Location-based messaging	1498	906	H04L12, H04L29, H04M1, H04W4	G08G1, G16H20, B60R16