Processing a Text Search Query in a Collection of

专利名称：Processing a Text Search Query in a

Collection of Documents

发明人：Jochen Doerre,Monika Matschke,Roland

Seiffert,Matthias Tschaffler

申请号：US12020196申请日：20080125

公开号：US20080140639A1公开日：20080612

专利附图：

摘要：System and computer program product for processing a text search query in acollection of documents. A full posting index is generated that has first index terms and a

full posting list for each first index term, enumerating occurrences of the first indexterms in the documents of the collection. A text search query includes search conditionssearch terms. The search conditions are translated into conditions on the first indexterms to provide translated conditions. At least one short posting index is generated,which includes second index terms and a short posting list for each second index term,enumerating documents in which the second index terms occur. Filter conditions andcomplementary conditions are generated to represent the translated conditions. Thefilter conditions approximate the translated conditions, and are processed using theshort posting index. The complementary conditions are processed using the full postingindex to provide a query result.

申请人：Jochen Doerre,Monika Matschke,Roland Seiffert,Matthias Tschaffler

地址：Boeblingen DE,Calw DE,Herrenberg DE,Herrenberg DE

国籍：DE,DE,DE,DE

更多信息请下载全文后查看