KaLM-Embedding-V2: Superior Training Techniques and Data Inspire A Versatile Embedding Model - Zhao, Xinping; Hu, Xinshuo; Shan, Zifei; Huang, Shouzheng; Zhou, Yao; Zhang, Xin; Sun, Zetian; liu, zhenyu; li, dongfang; Wei, Xinyuan; Pan, Youcheng; Xiang, Yang; et al. (International Conference on Learning Representations, 2026)