| http://www.w3.org/ns/prov#value | - A big part of the problem is that it is very hard to judge the value of intangible assets, yet firms like Pfizer, Oracle (Nasdaq: ORCL), and Cisco Systems (Nasdaq: CSCO) are not valued on net assets (total assets minus total liabilities), but on intellectual property such as patents, software systems, and even employees.
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