Design and Implementation of Full-Text Retrieval System for Xi'an Data Chorography
Haisheng Zhan · Computer Technology and Development · 2011
In the paper,it implements the first index in PDF document by Lucene API.In order to locate the search keyword more accurately,this paper designs and implements a new algorithm for the second index.It contains the information about the Key words' page number,coordinates,context and so on.Which can be made used of locating the retrieval results in the specific page of the book and marking the specific positions of the Key words.Thus,the effect of the second retrieval in PDF document is as similar as Google Book.The test result proved that this system is provided with high retrieval performance,recall rate and precision rate.It can be satisfied with the requirement of quickly retrieving websites' documents.This system has been using for 2 years as the full-text retrieval system for Xi'an data chorography and it gets lots of application fruit.