[PDF] Top 20 Two Stage Hashing for Fast Document Retrieval

... There are three main merits of LSH. (1) It tries to preserve the Cosine similarity of the original data with a probabilistic guarantee (Charikar, 2002). (2) It is training free, and thus very efficient in hashing ... See full document

... are two important problems, ...documents retrieval, including [3] adapt the classic VSM model for ontology-based information ...the retrieval stage adapts the classic vector space model, ... See full document

... tion retrieval tasks thanks to the efficiency of distance evaluation between binary ...Generative hashing is often used to generate hashing codes in an unsupervised ...generative hashing ... See full document

... Generally, FAST goes past the straightforward mix of existing strategies to offer productive information examination through altogether expanded handling ...way. Two comparable records for the most part ... See full document

... based or text based model. To reason with the theory we have constructed a mathematical search engine namely ―SigMa‖ particularly for scientific documents with mathematical content. At first mathematical information is ... See full document

... 2) Overall Comparisons with Baselines: To validate the superiority of the proposed SSDMH, we compare it with the state-of-the-arts and report the MAP results at various code lengths on three datasets, as shown in Table ... See full document

... proposed Two se- cure schemes to meet up privacy requirements in two threat models as known cipher text model and known background ...for retrieval of data files, but as an improvement, Rupali ... See full document

... as two independent processes which might not generate satisfactory results [15, 16, ...cross-modal hashing techniques are currently hot research topic where feature extraction as well as generation of the ... See full document

... image retrieval is efficient and fast growing research area which helps to retrieve images from large database ...and retrieval as well as shape information, spatial relationship between regions, ... See full document

... and fast query speed, hashing has been recognized to accomplish similarity search in large- scale multimedia retrieval ...vised hashing has recently received considerable research at- tention ... See full document

... large-scale retrieval tasks in realistic ...for fast query responses with sub-linear complexity, ...for retrieval tasks, they still suffer from the curse of dimensionality problems 1 , since good and ... See full document

... Multi-view Hashing: Recent years have witnessed fast de- velopment of multi-view hashing techniques due to its wide range of real ...multi-view hashing meth- ods can be generally divided to ... See full document

... describes two experiments that examine the relationship of Word Error Rate (WER) of retrieved spoken documents returned by a spoken document retrieval ...affect retrieval effectiveness but ... See full document

... other hashing functions, like the cyclic polynomial hash, that are usually more appropriate because of some desirable properties like uniform distribution in the output space, universality, higher-order ... See full document

... include two functions randomly selection of numbers and prime test for ...for fast prime finding algorithm. This help to fast implementation of RSA on smart card with crypto-processer ...and ... See full document

... are two types of clustering methods: hierarchical and partitional meth- ...every document is consid- ered a cluster which is recursively merged into a bigger ... See full document

... Fig. 2 illustrates the framework of the proposed SePH. Like [23] and [24], considering the semantic consistency between views, SePH generates one unified hash code for each instance, rather than respectively generate one ... See full document

... The security of images is kept up by encryption with the assistance of AES calculations. The utilization of keyword-based user image gets to conspire upgrades user protection. Search proficiency is accomplished as the ... See full document

... We develop a simple and cryptographically secure approach to the design of such functions and show how to exploit the architecture of modern CPUs and memory chips to make faster and more secure schemes compared to ... See full document

... Another well-known approach to the latent model is the LSI method. It is based on SVD, a technique from linear algebra. This method has not been reported anywhere previously for re- ranking purposes. It has been included ... See full document