CS7IS3-Assignment-2

Group Project for CS7IS3 Assignment 2

To run the application:

mvn exec:java -Dexec.mainClass="app.App"

For running on virtual machine:

mvn exec:java -Dexec.mainClass="app.App"

For evaluation using trec_eval:

trec_eval-9.0.7/trec_eval ./qrels results/results.txt

If duplicates in Results file, then:

rm -r index/

Results - These results are obtained by using the BM25 Similarity along with the expanded query option.

runid	CustomAnalyzerBM25
num_q	25
num_ret	25000
num_rel	2132
num_rel_ret	1540
map	0.3321
gm_map	0.2745
Rprec	0.3743
bpref	0.3302
recip_rank	0.8608
iprec_at_recall_0.00	0.8895
iprec_at_recall_0.10	0.6575
iprec_at_recall_0.20	0.5622
iprec_at_recall_0.30	0.4711
iprec_at_recall_0.40	0.3965
iprec_at_recall_0.50	0.3350
iprec_at_recall_0.60	0.2534
iprec_at_recall_0.70	0.1661
iprec_at_recall_0.80	0.0973
iprec_at_recall_0.90	0.0297
iprec_at_recall_1.00	0.0029
P_5	0.6880
P_10	0.6000
P_15	0.5627
P_20	0.5340
P_30	0.4680
P_100	0.2936
P_200	0.1994
P_500	0.1076
P_1000	0.0616