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TECHNOFAC: APLIKASI ANDROID PENCARIAN FASILITAS KAMPUS BERBASIS SPEECH-TO-TEXT DAN NATURAL LANGUAGE PROCESSING (STUDI KASUS: UNIVERSITAS INDO GLOBAL MANDIRI) Hermaliah, Siti Ayu; Puspasari, Shinta; Permatasari, Indah
Jurnal INSTEK (Informatika Sains dan Teknologi) Vol 10 No 2 (2025): OCTOBER
Publisher : Department of Informatics Engineering, Faculty of Science and Technology, Universitas Islam Negeri Alauddin, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/instek.v10i2.60822

Abstract

Aplikasi Technofac dikembangkan untuk memudahkan pencarian fasilitas kampus Universitas Indo Global Mandiri (IGM) dengan integrasi Speech-to-Text dan Natural Language Processing (NLP) melalui metode Hybrid Keyword-Based. Pipeline sistem meliputi Automatic Speech Recognition, preprocessing (normalization, Punctuation Removal, Tokenization, Synonym Mapping, dan Abbreviation Expansion), intent detection berbasis keyword matching, dan Named Entity Recognition (pattern matching, POS tagging, dictionary, serta fuzzy matching). Evaluasi kinerja NLP menunjukkan metode Hybrid Keyword-Based mencapai precision 0.9346, recall 0.9263, dan F1-Score 0.9297 (kategori very good), sedangkan metode Substring Matching mencapai precision 0.7879, recall 0.7512, dan F1-Score 0.7655 (kategori OK). Pengujian blackbox terhadap 13 fitur menunjukkan seluruh fungsi berjalan sesuai spesifikasi. Evaluasi usability menggunakan System Usability Scale pada 20 responden (n=20) menghasilkan skor 82.87 dengan Grade A (Acceptable) dan confidence interval 95% pada rentang 80.8–85.2. Meskipun sistem menunjukkan performa baik, terdapat 16 kasus False Negative akibat query ambigu dan 14 kasus False Positive akibat misclassification entitas. Penelitian ini menunjukkan potensi rule-based NLP untuk aplikasi pencarian fasilitas kampus, namun masih memerlukan dialog management system (follow-up question) dan hierarchical entity recognition untuk menurunkan kesalahan FP/FN.
Prediksi Tingkat Keamanan Terhadap Pencurian Menggunakan Naive Bayes di Wilayah Sektor Kepolisian Merapi Barat Rahmi, Sutria; Permatasari, Indah; Purnamasari, Evi
SMARTICS Journal Vol 12 No 1 (2026): Journal SMARTICS (April 2026)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/smartics.v12i1.13919

Abstract

Theft remains one of the most prevalent forms of criminal activity in the jurisdiction of the West Merapi Police Sector, significantly impacting public safety and community security. Historically, the handling and securing of this region has been reactive in nature, lacking a predictive system capable of estimating theft risks preventively. This study aims to develop a predictive model for regional security levels related to theft cases using a machine learning approach. The data utilized in this research comprises secondary data obtained from 459 theft case reports documented by the West Merapi Police Sector from 2021 to 2024. Ten relevant variables were selected as features, while three security level categories (Low, Medium, and High) served as target classes. Data preprocessing included data cleaning, variable transformation, and label encoding. The Naive Bayes algorithm was employed with a 70% training data and 30% testing data split. The results demonstrated that the Naive Bayes method achieved an accuracy of 76.09% in predicting regional security levels. The model exhibited optimal performance for the High security level class, while the Low class showed lower performance due to imbalanced data distribution. This research demonstrates that police case report data can be effectively utilized to support data-driven risk analysis and has the potential to serve as a decision-making tool for preventive measures by law enforcement agencies.
Co-Authors A Hasrawati Abdul Hakim Prima Yuniarto ABDULLAH, Mohd Kamarulnizam Bin Abi Hanafi, Aliif Fahrur abu, ilham Adanti Wido Paramadini Adelia, Ayu Adelina, Erni Adventy, Maria Immaculata Yovita AF, Abd. Rachim Afandi, Mas Aly Afrianto, Arman Afriza, Jezy Agan, Mitha Agus Munandar Agus Widyantoro Agustin, Meka Leony Al Qubro, Khodijah Ali, Nuraliah Alpendi Amidhan, Muhammad Amrulloh, Abdul Fatah Anak Agung Istri Agung Anania, Agnes Andries Lionardo, Andries Anggaini, Fitria Dewi Puspita Angriani, Reni Anindya Mutiara Anjar Taufik Hidayat Annisa Annisa Aprianti, - Aprianti, Aprianti Arief Cahyanto Arliyanti, Shila Putri Armasa, Viona Sabilla Putri Artanti, Cheryl Amelia Artasyah, Niki Asep Mulyadi Asep Saefumillah Asfar Arif Nurharjanto Astia, Santi Astuti, Ratna Fitri Aulia Annisa Putri Ayonda Saputra, Licka Azalia, Jihan Listu Azhar Azhar Azzahra, Galuh Dwi Bachtiar , Yusuf Baya, Ira Juwita Bayu, Yoni Setyo Nugroho Bedy Brilliant Wijaya Buhaerah Buhaerah, Buhaerah Cahyani, Septa Cahyanto, Arief Citra, Nur Dahlia Danny Kurnianto Dewi Lestari DEWI SARTIKA Dewi, A.A Sagung Laksmi Diah Ayu Lestari, Diah Ayu DIAH KOMALA SARI Diana Krisanti Jasaputra Diani Fatmawati Dina Mardiana Dina Rahmawati Dinata, Despan Dopri Dwi Cahyani, Puput Dwisetyarini, Febrianti Dzulkhairani, Intan Eka Puspita, Meliana Ellyawati, Noor Emilia Emilia Erna Andriyanti Evi Yulianti Evita, Maria Fachrul , Anis Faisal, Muhammmad Farina, Thea Fatchiya Zakiyyan, Zilvy Faturahman, Alfian Fauzi Ahmad Muda Febriani, Nelly Feriansyah Sesunan Fikriani Aminun Omolu Fiodora, Alika Firdaus, Rian Fithri, Nayla Kamilia Fitri Nurhidayah Fitri, Nurwijaya Fitria Dewi Puspita Anggraeni Fitriana, Rahma Fitroni, Mohammad Ainul Fiza, Cindy Dea Ganda Ardiansyah, Ganda gasim, Gasim Gusriani Gusriani Haidar, Kadori Halidya, Nur Hamzah , Faisal Hana, Hanafiah Hapsari S, Santika Tri Hariani, Cahya Azizah Hasan S. Panigoro Hasmariyanti, Hasmariyanti Haspina, Haspina Helmi Tambunan, Zulfikar Heriasyah, Rudi Herlina Herlina, Herlina Herlina Hermaliah, Siti Ayu Herri Setiawan Heryadi, Yadi Heryati, Agustina Hidayah, Fika Nurul Hidyatullah, Ahmad Taufiq Humaera Silvia Maristy Humeira, Humeira Hutabarat, Peny Meliaty I Made Padri I Made Suwitra, I Made I Nyoman Putu Budiartha I Nyoman Sukandia I Wayan Kartika Jaya Utama I Wayan Wesna Astara Ibnu Imam Al Ayyubi Ida Ayu Sukihana Ida Fatmawati Idris Idris Iin Hindun ILHAM Ilham Ilham Imania, Katriza Imania, Katriza Imania Imelda Saluza, Imelda Immaculata Yovita Adventy, Maria Irmayatul Hikmah Ismu Wahyudi Izzudin, Muhammad Jamilah Jamilah Jannah, Raoda Tul Jansen, Susiana Jira, Jira Joko Priyana Junitu, Zebri Khairunnisa, Tuty Khoiroh, Diana Kismi Mubarokah Kumalasary, Diyanah KURNIA KURNIA, KURNIA Lasvana, Selvia Lesi Hertati, Lesi Lili Anggraini, Lili Lina Ayu Marcelina Loka, Fika Pita Luh Made Mahendrawati Lutfi Saidatus Saniah M. Husni Thamrin Maharani, Fandita Tonyka Manurung, Eris Marcelina, Dona Marpaung, Zailani Surya Maryatun, Siti Mery Yanti Mirawati Mirawati Mispan, Tarisa Mitra Djamal Mizwar, Izur Monica, Reza Mualimin, Shobar Much. Fuad Saifuddin Muhaemin, Abdul Muhammad Nur Budiyanto Muhammad Panji Kusuma Praja Muhammad Rifai Mustafa Ramadhan Muthoharoh, Nor Amalia Namira, Balqis Natalia, Christin Nayaka Al Syahreal Kanaka Nengyanti Nengyanti, Nengyanti Nia Annisa Ferani Tanjung Ningsih, Putri Septia Nor Amalia Muthoharoh Nungki Marlian Yuliadarwati Nur Anisa Nur Hatijah Nur Hidayah Nurdiantami, Yuri Nurfadillah Nurfadillah Nurhikmah Nurjanah, Nyanyu Nurjanna Nurjanna Nurjaya, I Nyoman Widi Nurlaila Hasmi Nurnajmina Farizan, Adinda Oktarina, Nyimas Alda Oktavia, Nur Rosita Paulus, Johanes Christian Pradana, Zein Hanni Prasetyo Yuliantoro Pratama, I Gusti Ngurah Putra Pratiwi Putri, Indah Pratiwi, Indah Putri Prayetno, Eko Purnamasari, Evi Puspitasari, Etika Dyah Putri, Amelia Putri putri, Ika Adelia Putri, Indah Pratiwi Putri, Rini Ardah Putri, Serly Septiana Panca Putri, Sindi Aprilita Putri, Viola Malindi Putu Ayu Sriasih Wesna Rafinzar, Rahmat Rahayu, Vitria Puri Rahmat Widadi Rahmi, Emli Rahmi, Sutria Ramadan, Hafiz Arshad Ramadhan, Aditya Wiratama Ramadhan, Mustafa Ramadhan, Rio Ramdhani, Adrian Pandjie Raniasa Putra Ratnawati, Diah Rekke, Priskilia Eklesia Renny Febrida Reza, Reza Rikhsan Kurniatuhadi, Rikhsan Rindu, Dewi Rita, Riska Marga Ritanti, Ritanti Riyadi, Riyo Rokhaidah Rosalia, Mona Rossy Azhar Roswaty, Roswaty Rosyidi, Mohamad Ikhwan Rudi Heriansyah, Rudi Ruspian, Ruspian Safana, Nadilatul Safitri, Inke Saleem, Maryam Santana, Ade Raka Saptawan, Ardiyan Saptawan Saputra, Ariansyah Saputra, Tedy Setiawan Sara Sawita, I Kadek Agus Sarisstia, Tika Sarkhila, Ummi Sausannuri, Isnairana Setiya Utari Shinta Puspasari Shintawati, Tegar Sifai, Izzatul Alifah Siregar, Pandu Rizky Al Farsi Siregar, Tatiana Siti Fathonah Siti Mukminatun, Siti Solikhah Solikhah Sondang Ratnauli Sianturi Songraya, Lena Aurumia Stefani, Stefani Sudarman Sudarman Sufardi Sufardi Sugirin Sugirin Sukerta, I Wayan Mulyadi Pratama Sukmawati Sukmawati Sulidar Fitri Sulpin Agung Saputra, Muhammad Supriatna, Ahmad Suryani, Luh Putu Suryati suryawan, Gusti Bagus Sutrisno, Sutrisno Suzara, Desi Syafitri, Syahrul Taofik Muhammad Taufiq, Andi Muh Terttiaavini, Terttiaavini Thmarin, Nur Sehang Tonyka Maharani, Fandita Tri Sunarsih Tri Utami Trisnawati, Ike Turnip, Masnur umi laelatul qomar Utami, Rahayu Budi Utamie, Listiatie Budi Utari, Dyah Varmeta, Risky Wahyu, Wahyu Arif Mahfudin Wahyudi, Chandra Tri Wahyuni . Wahyuni, Ayu Sri Wicaksana, I Gusti Ngurah Ketut Satya Widiati, Ida Ayu Putu Windi, Julia Wulandari, Putri Uzdah YULIAN ZETTA MAULANA Yulianti, Ria Yusri Yusri Zen, Nur Afifah