different words when describing common concepts in documents it can be difficult to
retrieve those documents. For example, in the text fragment from en.wikipedia.org
regarding the Decordifferent words when describing common concepts in documents it can be difficult to
retrieve those documents. For example, in the text fragment from en.wikipedia.org
regarding the Decorated fir tree (see Table 1.1), the term evergreen coniferous tree is
used to describe the Christmas tree concept.ated fir tree (see Table 1.1), the term evergreen coniferous tree is
used to describe the Christmas tree concept.