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Luk, and A. A. Kishk, "Miniature huge-band half U-slot and half E-formed patch antennas," IEEE Antennas Propag. 3. Chow, Y. L., Z. N. Chen, K. F. Lee, and K. M. Luk, A design principle on broadband patch antennas with slot, IEEE Antennas Propag. Huynh, T. and K. F. Lee, "Single-layer single-patch wideband microstrip antenna," Electron. 6. Clenet, M. and L. Shafai, "Multiple resonances and polarisation of U-slot patch antenna," Electron. Simple options like manually checking annotations or having multiple employees label every pattern are costly and waste effort on samples which can be appropriate. Furthermore, as a number of customers arrive and interact with the DTSM system concurrently, several beforehand unstudied points come up. Our focus is using car routing heuristics inside DTSM to help retailers manage the availability of time slots in actual time. SA shares knowledge between slots and utterances and only needs a easy construction to foretell the supporting span. Moreover, we complement the annotation of supporting span for MultiWOZ 2.1, which is the shortest span in utterances to help the labeled value. The contrastive loss aims to map slot value contextual representations to the corresponding slot description representations.