
Are the following mentions coreferent?:
<m> changes </m> in The integrated system-on-a-chip platform has become the dominant technology in the market place, said Erick Soderstrom, a senior analyst at S.& P. in Boston. 
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<m> change </m> in TSMC stock traded on the TAIEX closed at NT $ 53.8 yesterday, up NT $ 0.9 from the previous trading day. 