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Questions tagged [data-indexing-techniques]

In Computer science and Technologies The Data is the most important part. Since to work with data in an efficient manner to store the data in mediums and reuse, we use some techniques which named in general indexing. This tag interests with these techniques, efficiency, and anything about using stored data with indexing

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Scientific literature on de-indexing algorithms

I would like to know more about the topic of de-indexing algorithms, i.e., removing results from the search engines' index. I am interested in the theoretical basics, before moving on to more complex (...
sato's user avatar
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1 vote
1 answer
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The difference between Faiss Index and a Database Index

An index points to data in a table. In a database, indexes are similar to those in books. I am a little bit confused about the meaning of index in Faiss library and how it's different from the one in ...
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How to solve this IndexError? [closed]

I have created a training dataframe Traindata as following: dataFile='/content/drive/Colab Notebooks/.../Normal_Anomalous_8Digits.csv' data8=pd.read_csv(dataFile) ...
TariqS's user avatar
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Book indexing data science project [closed]

Is it possible to perform Book index searching using Machine learning algorithms? Inputs : 1 Book pages with page numbers as images. 2 Index words in the book. Output: Tracing the page number/s with ...
Prashant Akerkar's user avatar
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Does statsmodels fully support MultiIndex?

The below code snippet shows how statsmodels seems to flatten MultiIndex tuples by joining them with an underscore "_". ...
OldSchool's user avatar
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3 votes
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While using reindex method on any dataframe why do original values go missing?

This is the original Dataframe: What I wanted : I wanted to convert this above data-frame into this multi-indexed column data-frame : I managed to do it by this piece of code : ...
Arnav Das's user avatar
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Looking for a 'CITY, STATE' within a body of text (from a CITY-STATE database)

I'm looking for an optimal way to search a large body of text for a combination of words that resemble any CITY, STATE combination I have in a separate CITY-STATE database. My only idea would be to ...
Collarbone's user avatar
1 vote
1 answer
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Index for efficient argmax(w.x) query ~ 20d

I'm looking for a spatial index that can efficiently find the most extreme n points in a certain direction, i.e. for a given w, find x[0:n] in the dataset where x0 gives the largest value of w.x and ...
user1158559's user avatar
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Spatial index for variable kernel nonparametric density

I'm trying to build a nonparametric density function for a fairly large dataset that can be evaluated efficently, and can be updated efficiently when new points are added. There will only ever be a ...
user1158559's user avatar
10 votes
1 answer
1k views

What is the most efficient data indexing technique

As we all know, there are some data indexing techniques, using by well-known indexing apps, like Lucene (for java) or Lucene.NET (for .NET), MurMurHash, B+Tree etc. For a No-Sql / Object Oriented ...
sihirbazzz's user avatar