Update citation information

README.md

@@ -484,11 +484,15 @@ Visual Genome by Ranjay Krishna is licensed under a Creative Commons Attribution
 ### Citation Information
 
 ```bibtex
-@inproceedings{krishnavisualgenome,
+@article{Krishna2016VisualGC,
   title={Visual Genome: Connecting Language and Vision Using Crowdsourced Dense Image Annotations},
-  author={Krishna, Ranjay and Zhu, Yuke and Groth, Oliver and Johnson, Justin and Hata, Kenji and Kravitz, Joshua and Chen, Stephanie and Kalantidis, Yannis and Li, Li-Jia and Shamma, David A and Bernstein, Michael and Fei-Fei, Li},
-  year = {2016},
-  url = {https://arxiv.org/abs/1602.07332},
+  author={Ranjay Krishna and Yuke Zhu and Oliver Groth and Justin Johnson and Kenji Hata and Joshua Kravitz and Stephanie Chen and Yannis Kalantidis and Li-Jia Li and David A. Shamma and Michael S. Bernstein and Li Fei-Fei},
+  journal={International Journal of Computer Vision},
+  year={2017},
+  volume={123},
+  pages={32-73},
+  url={https://doi.org/10.1007/s11263-016-0981-7},
+  doi={10.1007/s11263-016-0981-7}
 }
 ```
 

visual_genome.py

@@ -27,11 +27,15 @@ import datasets
 logger = datasets.logging.get_logger(__name__)
 
 _CITATION = """\
-@inproceedings{krishnavisualgenome,
+@article{Krishna2016VisualGC,
   title={Visual Genome: Connecting Language and Vision Using Crowdsourced Dense Image Annotations},
-  author={Krishna, Ranjay and Zhu, Yuke and Groth, Oliver and Johnson, Justin and Hata, Kenji and Kravitz, Joshua and Chen, Stephanie and Kalantidis, Yannis and Li, Li-Jia and Shamma, David A and Bernstein, Michael and Fei-Fei, Li},
-  year = {2016},
-  url = {https://arxiv.org/abs/1602.07332},
+  author={Ranjay Krishna and Yuke Zhu and Oliver Groth and Justin Johnson and Kenji Hata and Joshua Kravitz and Stephanie Chen and Yannis Kalantidis and Li-Jia Li and David A. Shamma and Michael S. Bernstein and Li Fei-Fei},
+  journal={International Journal of Computer Vision},
+  year={2017},
+  volume={123},
+  pages={32-73},
+  url={https://doi.org/10.1007/s11263-016-0981-7},
+  doi={10.1007/s11263-016-0981-7}
 }
 """