'Rank documents' diaporamas de présentation

Information Retrieval and Search Engines

Information Retrieval and Search Engines. Lecture 8: Matrix Decompositions and Latent Semantic Indexing Prof. Michael R. Lyu. Motivation of This Lecture. Could we move beyond vector space model to discover semantics among words ?

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Overview of Natural Language Processing

Overview of Natural Language Processing. Advanced AI CSCE 976 Amy Davis amydavis@cse.unl.edu. Outline. Common Applications Dealing with Sentences (and words) Dealing with Discourses. Practical Applications. Machine translation Database access Information Retrieval Query-answering

648 views • 54 slides

521 views • 36 slides

522 views • 33 slides

Searching with Lucene

Searching with Lucene. Chapter 2. For discussion. Information retrieval What is Lucene? Code for indexer using Lucene Pagerank algorithm. Information Retrieval. Consider a collection of documents You want to know what words are in each of the documents

69 views • 6 slides