Domain-Oriented Subject Aware Model for Multimedia Data Retrieval

Table 1

The query case.

Query ID	Query keywords	Query threshold	Potential keywords
Q1	the Imperial palace	0.9	Hall of Supreme Harmony,; Palace of Heavenly Purity,; Palace of Earthly Tranquility,
Q2	the Imperial palace	0.2	Hall of Supreme Harmony,; Palace of Heavenly Purity,; Palace of Earthly Tranquility,; Quanjude Restaurant, Hall of Harmony,; Hall of Preserving Harmony, Beijing hotel,; Prime Hotel, Wangfujing Grand hotel,; Beijing International hotel,; Dong-Lai-Shun restaurant,; Tiananmen Square Fang Shan restaurant,; Teahouse, Temple Fair.
Q3	Great wall badaling	1.5	Fragrant Hill
Q4	Great wall badaling	1.8	Fragrant Hill, Xiayunling
Q5	Natural scenery	0.7	Great Wall Badaling, Fragrant Hill, Xiayunling
Q6	Natural scenery	0.2	Great Wall Badaling, Fragrant Hill, Xiayunling,; Fangshan Shidu, ChangpingHuyun, Mentougou, Miyun Longtan, Jingdong Grand Canyon,; Yanqing Kangxi Grassland, Forest Canyon,; Stream Waterfall, Grassland, Mountain
Q7	Old town	1.2	Temple
Q8	Old town	1.6	Temple, street scene