Skip to Main Content
Table 2. 
CCA-based alignment methods for identifying the evidence source for vaccination web pages among a set of 205,037 candidate articles in the testing data set.
Method (CCA dimensions)Median rank (IQR)Recall@1Recall@50
100 T-SVD components 
 No CCA* 2768 (203.5–24884.5) 0.07 0.17 
 50 318.0 (23.0–3381.0) 0.10 0.32 
 100 475.0 (20.0–4635.5) 0.10 0.32 
200 T-SVD components 
 No CCA* 1513 (84.75–15572.25) 0.10 0.22 
 50 322.5 (20.0–2940.0) 0.09 0.31 
 100 200.0 (10.0–1982.75) 0.13 0.36 
 200 253.5 (11.0–4198.0) 0.14 0.36 
400 T-SVD components 
 No CCA* 720 (36–9674.25) 0.13 0.28 
 50 575.0 (60.0–5055.5) 0.05 0.23 
 100 268.5 (15.0–2696.5) 0.10 0.32 
 200 185.5 (7.0–2506.75) 0.14 0.38 
 400 270.0 (11.0–5581.0) 0.14 0.35 
800 T-SVD components 
 No CCA* 385.5 (13–6211.25) 0.15 0.33 
 50 3806.5 (279.75–28002.75) 0.02 0.12 
 100 1100.0 (29–15787.0) 0.03 0.21 
 200 409.0 (27.0–10816.0) 0.08 0.30 
 400 291.5 (15.0–9859.0) 0.11 0.34 
 800 1437.0 (34.0–34434.75) 0.08 0.27 
1600 T-SVD components 
 No CCA* 219 (6–4145.75) 0.17 0.37 
 50 58164.5 (19678.0–117859.25) 0.00 0.01 
 100 47806.0 (14104.5–110966.5) 0.00 0.02 
 200 37414.5 (7236.75–92341.25) 0.00 0.04 
 400 30554.5 (3454.0–91052.25) 0.00 0.06 
 800 NA NA NA 
 1600 NA NA NA 
Method (CCA dimensions)Median rank (IQR)Recall@1Recall@50
100 T-SVD components 
 No CCA* 2768 (203.5–24884.5) 0.07 0.17 
 50 318.0 (23.0–3381.0) 0.10 0.32 
 100 475.0 (20.0–4635.5) 0.10 0.32 
200 T-SVD components 
 No CCA* 1513 (84.75–15572.25) 0.10 0.22 
 50 322.5 (20.0–2940.0) 0.09 0.31 
 100 200.0 (10.0–1982.75) 0.13 0.36 
 200 253.5 (11.0–4198.0) 0.14 0.36 
400 T-SVD components 
 No CCA* 720 (36–9674.25) 0.13 0.28 
 50 575.0 (60.0–5055.5) 0.05 0.23 
 100 268.5 (15.0–2696.5) 0.10 0.32 
 200 185.5 (7.0–2506.75) 0.14 0.38 
 400 270.0 (11.0–5581.0) 0.14 0.35 
800 T-SVD components 
 No CCA* 385.5 (13–6211.25) 0.15 0.33 
 50 3806.5 (279.75–28002.75) 0.02 0.12 
 100 1100.0 (29–15787.0) 0.03 0.21 
 200 409.0 (27.0–10816.0) 0.08 0.30 
 400 291.5 (15.0–9859.0) 0.11 0.34 
 800 1437.0 (34.0–34434.75) 0.08 0.27 
1600 T-SVD components 
 No CCA* 219 (6–4145.75) 0.17 0.37 
 50 58164.5 (19678.0–117859.25) 0.00 0.01 
 100 47806.0 (14104.5–110966.5) 0.00 0.02 
 200 37414.5 (7236.75–92341.25) 0.00 0.04 
 400 30554.5 (3454.0–91052.25) 0.00 0.06 
 800 NA NA NA 
 1600 NA NA NA 
*

Experiments for which results also appear Table 1.

Experiments in which the CCA did not converge.

IQR: interquartile range; CCA: canonical correlation analysis; t-SVD: truncated singular value decomposition.

Close Modal

or Create an Account

Close Modal
Close Modal