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COLLABORATIVE FILTERING#1

A technique used in recommendation systems that predicts user preferences based on past interactions of similar users or items.

CONTENT-BASED FILTERING#2

A recommendation method that suggests items similar to those a user has liked in the past, based on item features.

PRECISION#3

A metric that measures the accuracy of positive predictions in a recommendation system, calculated as true positives divided by all positive predictions.

RECALL#4

A metric that indicates the ability of a recommendation system to find all relevant items, calculated as true positives divided by all actual relevant items.

F1-SCORE#5

A metric that combines precision and recall into a single score, balancing both metrics for a comprehensive evaluation.

EVALUATION METRICS#6

Quantitative measures used to assess the performance of recommendation systems, including precision, recall, and F1-score.

USER EXPERIENCE (UX) DESIGN#7

The process of enhancing user satisfaction by improving the usability and accessibility of a recommendation system's interface.

DATA SAMPLING#8

The technique of selecting a subset of data from a larger dataset to analyze and optimize recommendation algorithms.

DIMENSIONALITY REDUCTION#9

A process of reducing the number of features in a dataset while preserving essential information, often used to improve model performance.

WEB DEPLOYMENT#10

The process of making a recommendation system accessible online through web applications using frameworks like Flask or Django.

FLASK#11

A lightweight web framework for Python that is often used to build web applications, including those integrating machine learning models.

DJANGO#12

A high-level Python web framework that encourages rapid development and clean, pragmatic design for web applications.

USABILITY TESTING#13

A method to evaluate how easy and user-friendly a recommendation system's interface is by observing real users.

WIREFRAMING#14

The process of creating a visual guide to the structure of a web application, outlining its layout and functionality.

PROTOTYPING#15

Developing a preliminary model of a recommendation system's interface to test concepts and gather user feedback.

USER FEEDBACK#16

Input from users regarding their experience with a recommendation system, used to inform design and functionality improvements.

ERROR HANDLING#17

Techniques used to manage errors in a web application, ensuring a smooth user experience even when issues arise.

MACHINE LEARNING MODEL#18

An algorithm that learns patterns from data to make predictions or recommendations, forming the core of a recommendation system.

CROSS-VALIDATION#19

A technique for assessing how the results of a statistical analysis will generalize to an independent dataset.

HYPERPARAMETER TUNING#20

The process of optimizing the parameters of a machine learning model to improve its performance.

RECOMMENDATION ENGINE#21

A software system that suggests products or content to users based on data analysis and algorithms.

ITEM-BASED COLLABORATIVE FILTERING#22

A method that recommends items similar to those a user has previously liked based on item similarity.

USER-BASED COLLABORATIVE FILTERING#23

A method that recommends items based on the preferences of similar users.

BASELINE COMPARISONS#24

A method of evaluating a recommendation system's performance by comparing it against a simple or standard model.

CONFUSION MATRIX#25

A table used to evaluate the performance of a classification model, showing true vs. predicted classifications.

DATA PREPROCESSING#26

The steps taken to clean and organize data before it is used in a recommendation system, crucial for model accuracy.