Search Engines Essay

1245 words - 5 pages

INTRODUCTION:

KEYWORD-BASED search has been the most popular search in today’s searching world. The result of Keyword based search is better than Google .On Google search engine user or searcher did not find relevant image result. This is because of two reasons.
Queries are in general short and non-specific.
Different users may have different intentions for the same query

Searching for apple by a farmer has a different meaning from searching by a technical person .There is one solution to solve these problems is personalized search where user specific information is considered to distinguish between exact intentions of user queries and reranked the images.

Figure.1: (top) non-personalized and (bottom) personalized search results for the query “Samsung
laptop”.
Fig. 1 shows the example for non-personalized and personalized image search results from the search engines. The non-personalized search returned results only based on the user query relevance and displays Samsung laptop images as well as it can displays the Samsung charger battery on the above image in figure1. While personalized search results consider as both user query relevance and user preference, so the personalized results from an laptop lover rank the laptop images on the top.
Increasingly developed social networking websites, like Flicker and YouTube allow users to create, share, upload, and annotate images. Flicker database is used to demonstrate the effectiveness of proposed system.The proposed system has two components
1) Ranking Based Multicorrelation Tensor Factorization model (RMTF) is used to calculate users annotation prediction which provides user preferences to assigning tag on image. RMTF avoids commom noisy problem and sever sparsity problem.
2) User Specific Topic Modeling (USTM) is introduced for performing topic modeling .Mappimg query relevance and user preferences are combined into providing highly relevant ranked images.

Proposed system:

Proposed system is worked into two stages i.e offline and online stage .
Offline stage:
1.Ranking Based Multicorrelation tensor Factorization(RMTF)
2.User Specific Topic Modeling(USTM)
3. Topic-Sensitive Users Preferences(TSUP)
Online stage:
4.User Specific Query Mapping(USQM)
5.Ranking Based Image Searching.
1.Ranking Based Multicorrelation tensor Factorization(RMTF):
When user u tagged on any particular image i , then that user id,image id,tag named is stored into a database at a offline stage. This database is in the format of ternary interrelationship between users ,images and tag.This database is give as an input to RMTF model.
The RMTF model calculates users preferences to assign the tag to an particular image i.e .RMTF provides the users annotation prediction . We assume that two items with high affinities should be mapped close to each other in the learnt factor subspaces. In the following, we first introduce how to construct the...

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