Single-Database Private Information Retrieval with Constant Communication Rate pptx

... achieving an optimal rate (approaching 1) for blocks, and minimal communication O(log n) for private bit retrieval. Single-Database Private Information Retrieval 813 7 Instantiating Groups with Hidden ... O(n 1/(2k−1) ) Barrier for Information- Theoretic Private Information Retrieval, FOCS 2002. [2] C. Cachin, S. Micali, M. Stadler, Computational Private Information...

Ngày tải lên: 23/03/2014, 12:20

... AFNLP Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm Justin Liang-Te Chiu Department of Computer Science and Information Engineering, National ... described in Hiemstra and Vries (2000). 2.2 A HMM Information Retrieval System 64 Miller et al. demonstrated an IR system based on HMM. With a query Q, Miller et al. tried...

Ngày tải lên: 08/03/2014, 01:20

... baseline, we used SMART version 11.0 (Salton, 1971) as information retrieval engine with the Inc.ltc weighting method. SMART is an infor- mation retrieval engine based on the vector space model ... proposes a method to over- come the drawbacks of WordNet when applied to information retrieval by com- plementing it with Roget's thesaurus and corpus-derived thesauri....

Ngày tải lên: 31/03/2014, 21:20

... Information Area The General Information Area (GIA) of the MCP Client, shown in Figure 3.15, is different for each item you select within the tree. When an item is selected in the tree, the information ... section we start with the installation of the MCP Client, after the current Sun servers have been loaded with the current MCS software. We do not cover the loading of the Sun serv...

Ngày tải lên: 25/01/2014, 17:20

Ngày tải lên: 26/01/2014, 15:20

... trong truy xuất thông tin 1.1.1 Hệ thống truy xuất thông tin (Information Retrieval- IR) Hệ thống Truy xuất thông tin (Information Retrieval) là hệ thống thực hiện tìm kiếm tài liệu (thường là ... Ontology và độc lập với hệ thống truy xuất thông tin (Query Expansion Model with Ontology-based without Information Retrieval, IR OB QEM   ) - Mô hình mở rộng truy vấn dựa trên on...

Ngày tải lên: 17/02/2014, 08:47

... clearly benefit from a competence in metaphor is that of information retrieval (IR). Speakers use metaphors with ease when eliciting information from each other, as e.g. when one suggests that ... results with a search engine like Google, we generate fully instantiated similes from hypotheses generated via the Google n- grams. Thus, from the 3-gram “a drooling zombie” we gene...

Ngày tải lên: 19/02/2014, 20:20

... probabilistic model for information retrieval and is one of the most popular and effective algorithms used in in- formation retrieval. For ease of reference, we in- corporate the BM25 tf and idf ... Lee, 2004) 87.2% SVM with appraisal groups 90.2% (Whitelaw et al., 2005) SVM with log likehood ratio feature selection (Aue and Gamon, 2005) 90.45% SVM with annotator rationales 92.2% (...

Ngày tải lên: 20/02/2014, 04:20

... re- search described in this paper uses the information retrieval (IR) paradigm which has also been used by some researchers. Several sentiment information retrieval models were proposed in the framework ... for retrieval of Chinese opinionated information. As stated earlier (see Section 1), we assume that the task of retrieval of opinionated texts (OIR) can be regarded as a sub...

Ngày tải lên: 20/02/2014, 12:20

... such as Personal Information, Education etc. Then within each general information block, detailed information pieces can be found, e.g., in Personal Information block, detailed information such ... blocks labelled with general information types, and further extracting the detailed information such as Name and Address from certain blocks. Extracting information from resum...

Ngày tải lên: 20/02/2014, 15:20