| http://www.w3.org/ns/prov#value | - ssion (e.g., see Japanese Laid-Open Patent Publication Nos. 2002-009999 and 2004-145765).However, in conventional FAX service providing systems including the technologies described in Japanese Laid-Open Patent Publication Nos. 2002-009999 and 2004-145765, since a refund is made when a communication error occurs, a user must watch over at least whether a communication error occurs until transmissio
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