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primary topic: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE
type: Thesis
type: Article
abstract: This study aims to develop and evaluate an efficient hybrid Neural Collaborative Filtering (NCF) architecture to address three major challenges in e-commerce recommendation systems: cold start, data sparsity, and computational efficiency. The research method used is quantitative experimental by developing a Two-Tower architecture model that integrates user-item interaction data from public datasets with additional features in the form of user demographic data and item category simulations. To address the computational challenges of large-scale data, a data pipeline optimization strategy is applied through the pre-generation negative sampling technique. Model performance was comprehensively evaluated in warm start, user cold start, and item cold start scenarios using the Hit Ratio@10 (HR@10) and Normalized Discounted Cumulative Gain (NDCG@10) metrics, and further validated through qualitative analysis using hold-out data. The results of the study show that the proposed architecture successfully provides an effective solution. First, the pipeline optimization strategy has been proven to drastically reduce training time from more than 2 hours to around 5-7 minutes per epoch on consumer-grade GPUs. Second, the hybrid model has successfully overcome the cold start problem by increasing HR@10 from 0.0053 (baseline) to 0.0096, representing an 81% improvement in performance. Third, in the user cold start scenario, despite a trade-off in the precision ranking metric, qualitative validation proves that the model has good generalization capabilities by achieving a category relevance rate of 65% for new users who have never interacted before.
date: 2026-01-27
status: published
creator: Wahyu Arief Rahman
author list: authors
THS: Royan Habibie Sukarna
THS: Febriyanti Darnis
type: EPrint
type: ThesisEPrint
is part of: repository
has document: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
has document: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
subject: QA75 Electronic computers. Computer science
subject: QA76 Computer software
subject: T Technology (General)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
type: Document

Fakultas Teknik Universitas Sultan Ageng Tirtayasa
type: Organization

Informatika, Fakultas Teknik Universitas Sultan Ageng Tirtayasa
type: Organization

Wahyu Arief Rahman
type: Person
given name: Wahyu Arief
family name: Rahman

Royan Habibie Sukarna
type: Person
given name: Royan Habibie
family name: Sukarna

Febriyanti Darnis
type: Person
given name: Febriyanti
family name: Darnis

UNIVERSITAS SULTAN AGENG TIRTAYASA
type: Organization

FAKULTAS TEKNIK
type: Organization

JURUSAN INFORMATIKA
type: Organization

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Other)
type: Document
is version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is volatile version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)
is index codes version of: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE (Text)

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primary topic: OPTIMASI KINERJA ARSITEKTUR TWO-TOWER NEURAL COLLABORATIVE FILTERING UNTUK PENANGANAN COLD START PADA DATA IMPLICIT FEEDBACK E-COMMERCE

QA75 Electronic computers. Computer science
type: Concept

QA76 Computer software
type: Concept

T Technology (General)
type: Concept