Natural Language Query (Chinese):
想搜北京大艾机器人科技有限公司相关的，关于隐私计算与材料、近几年公开日、今年权利转移生效日的专利有哪些？

SQL-like Query (Chinese):
patent|org_name:北京大艾机器人科技有限公司 AND key_words:(隐私计算 OR 材料) AND publication_date:[20200315 TO 20250315] AND effective_date_of_rights_transfer:[20250101 TO *]

Natural Language Query (English):
I'm looking for patents related to Beijing Daai Robotics Technology Co., Ltd., specifically those related to privacy computing and materials, their publication dates in recent years, and their effective dates for rights transfer this year.

SQL-like Query (English):
patent|org_name:Beijing Daai Robotics Technology AND key_words:(privacy computing OR materials) AND date:[20200315 TO 20250315] AND effective_date_of_rights_transfer:[20250101 TO *]