1	2	CIKM	CIKM
1	3	CIKM	CIKM
2	3	CIKM	CIKM
8	9	ISNN (2)	ISNN (2)
11	12	SenSys	SenSys
11	13	SenSys	SenSys
12	13	SenSys	SenSys
15	28	TREC	TREC
23	24	Inf. Process. Manage.	Inf. Process. Manage.
