Tuesday, April 11, 2023

Decaying Window

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This algorithm allows you to identify the most popular elements (trending, in other words) in an incoming data stream. The decaying window a...

Sampling + Reservoir Sampling Algorithm + Hot List Problem + Frequent Algorithm +Space Saving Algorithm

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Sampling : subset of data to be analyzed such that it has approximately the same properties of the original data Random Sampling:Each eleme...
Saturday, April 8, 2023

Cassandra

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Cassandra is a NoSQL database for write-heavy workload and eventual consistency ------------------------------------------------------------...
Wednesday, April 5, 2023

Link Analysis

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Link analysis for most IR functionality thus far based purely on text Scoring and ranking Link-based clustering – topical structure from lin...
Tuesday, April 4, 2023

Recommender Systems

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Long tail effect :  Many popular products are found in both Retail / Online                      less popular products are found only online...
Sunday, April 2, 2023

Web Crawler

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Web Crawler : It is a software for  downloading pages from the Web. Also known as Web Spider, Web Robot,  or simply Bot. Web Crawler Applic...
Friday, March 31, 2023

Websearch

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 Search engine  1. Crawler Based   2. Directory   3. Metasearch    Search Types  1. General Search / Horizontal Search : ex : google --> ...

Ranked Retrieval Evaluation - Rank Based Measures - Non- Binary relevance

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Non- Binary relevance Documents are rarely entirely relevant or non-relevant  to a query Many sources of graded relevance judgments Relevanc...

Ranked Retrieval Evaluation - Rank Based Measures - Binary relevance

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Binary relevance -->  we are only worried if it is relevant or not  Precision@K (P@K) -- only top documents ie compute  % relevant docume...
Wednesday, March 29, 2023

Unranked Retrieval Evaluation- Precision and Recall based on documents and F-Measure

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Unranked Retrival Information important measures are  Precision:The ability to retrieve top-ranked documents that are mostly relevant.  Reca...

TREC Benchmark / Measuring Relevance / Evaluating IR system

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Measures for Search Engine 1. Latency of search 2. Expressiveness of query Language  Ability to express complex information needs Speed ...
Tuesday, March 28, 2023

Anu's NLP Session on BITS WILP Pre Mid Semester Topic - 2 - DSECLZG525

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Below vedio has the complete numerical explanation for NLP topics  1.Grammars and Parsing 2.A Top Down Parser 3. A Bottom- Up Chart Parser 4...

Anu's NLP Session on BITS WILP Pre Mid Semester Topic - 1 - DSECLZG525

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Below Video has complete numerical explanation for NLP topics like  1.Natural Language Understanding and Generation 2.N-gram Language Modell...
Thursday, March 9, 2023

INSTALLING HADOOP, HIVE IN WINDOWS & WORKING WITH HDFS -- Ramana (Along with recording)

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########-----------INSTALLING HADOOP, HIVE IN WINDOWS & WORKING WITH HDFS -------------- ######## ################ ------------ AKULA VE...
Friday, March 3, 2023

Install Hive/Derby on top of Hadoop in Windows

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To install Hive/Derby on top of Hadoop, you can follow these general steps: Versions which are compatible are  Hadoop : 2.8.0 Hive : 2.1.0 D...
Saturday, February 18, 2023

Makeup - Mid Semester- Questions and answers - Deep Learning - DSECLZG524 - Jan 2023

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----------------------------------------------------------------------------  All the messages below are just forwarded messages if some one...

Regular - Mid Semester - Deep Learning- questions and answers - DSECLZG524 - 7th Jan 2023

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