US7702614B1
патент
An information retrieval system uses phrases to index, retrieve, organize and describe documents. Phrases are extracted from the document collection. Documents are the
Притязаний: 8. Знаков текста: 142 440.
патент
An information retrieval system uses phrases to index, retrieve, organize and describe documents. Phrases are extracted from the document collection. Documents are the
Притязаний: 8. Знаков текста: 142 440.