Publications
SVM parameter optimization using grid search and genetic algorithm to improve classification performance
2016
Penulis pertama :
I Syarif
Publisher :
TELKOMNIKA (Telecommunication Computing Electronics and Control) 14 (4 …, 2016
open_in_newPublications
Unsupervised clustering approach for network anomaly detection
2012
Penulis pertama :
I Syarif
Publisher :
Networked Digital Technologies: 4th International Conference, NDT 2012 …, 2012
open_in_newPublications
Application of bagging, boosting and stacking to intrusion detection
2000
Penulis pertama :
I Syarif
Publisher :
Machine Learning and Data Mining in Pattern Recognition: 8th International …, 2012
open_in_newPublications
Machine learning algorithm for stroke disease classification
2020
Penulis pertama :
T Badriyah
Publisher :
2020 International Conference on Electrical, Communication, and Computer …, 2020
open_in_newPublications
Faster R-CNN implementation method for multi-fruit detection using tensorflow platform
2018
Penulis pertama :
H Basri
Publisher :
2018 international electronics symposium on knowledge creation and …, 2018
open_in_newPublications
Nearest neighbour and statistics method based for detecting fraud in auto insurance
2000
Penulis pertama :
T Badriyah
Publisher :
2018 International Conference on Applied Engineering (ICAE), 1-5, 2018
open_in_newPublications
Sistem Rekomendasi Content Based Filtering Menggunakan Algoritma Apriori
2000
Penulis pertama :
T Badriyah
Publisher :
Konferensi Nasional Sistem Informasi (KNSI) 2018, 2018
open_in_newPublications
A hybrid recommendation system for E-commerce based on product description and user profile
2017
Penulis pertama :
T Badriyah
Publisher :
2017 Seventh International Conference on Innovative Computing Technology …, 2017
open_in_newPublications
Recommendation system for property search using content based filtering method
2018
Penulis pertama :
T Badriyah
Publisher :
2018 International conference on information and communications technology …, 2018
open_in_newPublications
Data mining approaches for network intrusion detection: from dimensionality reduction to misuse and anomaly detection
2012
Penulis pertama :
I Syarif
Publisher :
Journal of Information Technology Review 3 (2), 70-83, 2012
open_in_newPublications
Sistem akuaponik untuk peternakan lele dan tanaman kangkung hidroponik berbasis IOT dan sistem inferensi fuzzy
2021
Penulis pertama :
F Rozie
Publisher :
Jurnal Teknologi Informasi Dan Ilmu Komputer 8 (1), 157, 2021
open_in_newPublications
Ant colony algorithm for feature selection on microarray datasets
2016
Penulis pertama :
TM Fahrudin
Publisher :
2016 International Electronics Symposium (IES), 351-356, 2016
open_in_newPublications
Study on mental disorder detection via social media mining
2019
Penulis pertama :
I Syarif
Publisher :
2019 4th International conference on computing, communications and security …, 2019
open_in_newPublications
LSTM with adam optimization-powered high accuracy preeclampsia classification
2000
Penulis pertama :
N Sakinah
Publisher :
2019 International Electronics Symposium (IES), 314-319, 2019
open_in_newPublications
Membangun Sistem Rekomendasi Hotel dengan Content Based Filtering Menggunakan K-Nearest Neighbor dan Haversine Formula
2022
Penulis pertama :
A Muliawan
Publisher :
Technomedia Journal 7 (2 October), 231-247, 2022
open_in_newPublications
Feature selection of network intrusion data using genetic algorithm and particle swarm optimization
2016
Penulis pertama :
I Syarif
Publisher :
EMITTER International Journal of Engineering Technology 4 (2), 277-290, 2016
open_in_newPublications
Decision Tree
2003
Penulis pertama :
A Basuki
Publisher :
Surabaya: Politeknik Electronika Negeri Surabaya ITS, 2003
open_in_newPublications
Design and implementation of intelligent aquaponics monitoring system based on IoT
2020
Penulis pertama :
F Rozie
Publisher :
2020 international electronics symposium (IES), 534-540, 2020
open_in_newPublications
Development of vulnerable web application based on OWASP API security risks
2021
Penulis pertama :
M Idris
Publisher :
2021 International Electronics Symposium (IES), 190-194, 2021
open_in_newPublications
Modul Ajar Decision Tree
2003
Penulis pertama :
A Basuki
Publisher :
Surabaya: PENS-ITS 8, 2003
open_in_newPublications
Health monitoring and early diseases detection on dairy cow based on internet of things and intelligent system
2019
Penulis pertama :
I Syarif
Publisher :
2019 International Electronics Symposium (IES), 183-188, 2019
open_in_newPublications
Classification algorithms of maternal risk detection for preeclampsia with hypertension during pregnancy using particle swarm optimization
2018
Penulis pertama :
M Tahir
Publisher :
EMITTER International Journal of Engineering Technology 6 (2), 236-253, 2018
open_in_newPublications
Segmentation stroke objects based on CT scan image using thresholding method
2019
Penulis pertama :
T Badriyah
Publisher :
2019 First International Conference on Smart Technology & Urban Development …, 2019
open_in_newPublications
Improving stroke diagnosis accuracy using hyperparameter optimized deep learning
2000
Penulis pertama :
T Badriyah
Publisher :
International Journal of Advances in Intelligent Informatics 5 (3), 256, 2019
open_in_newPublications
Energy efficiency optimization for intermediate node selection using MhSA-LEACH: multi-hop simulated annealing in wireless sensor network
2020
Penulis pertama :
AS Kirsan
Publisher :
EMITTER International Journal of Engineering Technology 8 (1), 1-18, 2020
open_in_newPublications
Arrhythmia classification using long short-term memory with adaptive learning rate
2018
Penulis pertama :
H Assodiky
Publisher :
EMITTER International Journal of Engineering Technology 6 (1), 75-91, 2018
open_in_newPublications
Deep learning algorithm for arrhythmia detection
2017
Penulis pertama :
H Assodiky
Publisher :
2017 International Electronics Symposium on Knowledge Creation and …, 2017
open_in_newPublications
Data mining approach for breast cancer patient recovery
2000
Penulis pertama :
TM Fahrudin
Publisher :
EMITTER International Journal of Engineering Technology 5 (1), 36-71, 2017
open_in_newPublications
Estimated vehicle fuel calculation based on Google map realtime distance
2019
Penulis pertama :
AA Ningrum
Publisher :
2019 International Electronics Symposium (IES), 354-358, 2019
open_in_newPublications
Feature selection algorithm using information gain based clustering for supporting the treatment process of breast cancer
2016
Penulis pertama :
MR Mufid
Publisher :
2016 International Conference on Informatics and Computing (ICIC), 6-11, 2016
open_in_newPublications
Web application security education platform based on OWASP API security project
2022
Penulis pertama :
TM Fahrudin
Publisher :
EMITTER international journal of engineering technology, 246-261, 2022
open_in_newPublications
Algoritma Deep Learning-LSTM untuk Memprediksi Umur Transformator
2021
Penulis pertama :
M Idris
Publisher :
Jurnal Teknologi Informasi dan Ilmu Komputer (JTIIK) 8 (3), 2021
open_in_newPublications
Feature selection algorithm for intrusion detection using cuckoo search algorithm
2020
Penulis pertama :
I Syarif
Publisher :
2020 International Electronics Symposium (IES), 430-435, 2020
open_in_newPublications
Neural networks algorithm to inquire previous preeclampsia factors in women with chronic hypertension during pregnancy in childbirth process
2018
Penulis pertama :
M Tahir
Publisher :
2018 International Electronics Symposium on Knowledge Creation and …, 2018
open_in_newPublications
The determinant factor of breast cancer on medical oncology using feature selection based clustering
2016
Penulis pertama :
MR Mufid
Publisher :
2016 International Conference on Knowledge Creation and Intelligent …, 2016
open_in_newPublications
Mental disorder detection via social media mining using deep learning
2020
Penulis pertama :
TM Fahrudin
Publisher :
Kinetik: Game Technology, Information System, Computer Network, Computing …, 2020
open_in_newPublications
Performance evaluation of PEGASIS protocol for energy efficiency
2018
Penulis pertama :
B Kholifah
Publisher :
2018 International Electronics Symposium on Engineering Technology and …, 2018
open_in_newPublications
Efficient energy for cluster head selection using new LEACH-based routing protocol in wireless sensor network
2019
Penulis pertama :
AS Kirsan
Publisher :
2019 international electronics symposium (IES), 70-75, 2019
open_in_newPublications
Pembuatan Alat Bantu Ajar Sistem Pakar dengan Teknik Inferensi Backward Chaining
2012
Penulis pertama :
I Syarif
Publisher :
Surabaya: Balai Pustaka, 2012
open_in_newPublications
Intelligent system for automatic classification of fruit defect using faster region-based convolutional neural network (faster r-CNN)
2019
Penulis pertama :
H Basri
Publisher :
Jurnal Ilmiah Kursor 10 (1), 2019
open_in_newPublications
Analisis Kinerja Algoritma Mesin Pembelajaran untuk Klarifikasi Penyakit Stroke Menggunakan Citra CT Scan
2020
Penulis pertama :
N Sakinah
Publisher :
J. Teknol. Inf. dan Ilmu Komput 7 (4), 833, 2020
open_in_newPublications
Corn pests and diseases prediction using linear regression and natural spline methods
2018
Penulis pertama :
I Syarif
Publisher :
2018 International Conference on Applied Science and Technology (iCAST), 383-387, 2018
open_in_newPublications
LEACH Partition Topology for Wireless Sensor Network
2000
Penulis pertama :
MUH Al Rasyid
Publisher :
2018 IEEE International Conference on Consumer Electronics-Taiwan (ICCE-TW), 1-5, 2018
open_in_newPublications
Application of naive bayes method for IUGR (Intra Uterine Growth Restriction) diagnosis on the pregnancy
2020
Penulis pertama :
T Badriyah
Publisher :
2020 International Conference on Electrical, Communication, and Computer …, 2020
open_in_newPublications
Deep learning algorithm for data classification with hyperparameter optimization method
2019
Penulis pertama :
T Badriyah
Publisher :
Journal of Physics: Conference Series 1193 (1), 012033, 2019
open_in_newPublications
Discovering patterns of NED-breast cancer based on association rules using apriori and FP-growth
2017
Penulis pertama :
TM Fahrudin
Publisher :
2017 International Electronics Symposium on Knowledge Creation and …, 2017
open_in_newPublications
Dimensionality reduction algorithms on high dimensional datasets
2014
Penulis pertama :
I Syarif
Publisher :
EMITTER International Journal of Engineering Technology 2 (2), 28-38, 2014
open_in_newPublications
Predicting the risk of preeclampsia with history of hypertension using logistic regression and naive bayes
2018
Penulis pertama :
T Badriyah
Publisher :
2018 International Conference on Applied Science and Technology (iCAST), 399-403, 2018
open_in_newPublications
Comprehensive review of classification algorithms for high dimensional datasets
2014
Penulis pertama :
I Syarif
Publisher :
University of Southampton, 2014
open_in_newPublications
Sistem informasi Inventory Barang Pada Apotek Sultan Menggunakan Metode First-in First-out (FIFO)
2019
Penulis pertama :
I Syarif
Publisher :
Jurnal Ilmiah Cendekia Eksakta 4 (2), 0
open_in_newPublications
An Efficient Framework of Hybrid Recommendation System based on Multi Mode
2020
Penulis pertama :
T Badriyah
Publisher :
2020 International Electronics Symposium (IES), 351-355, 2020
open_in_newPublications
Botnet detection in network system through hybrid low variance filter, correlation filter and supervised mining process
2018
Penulis pertama :
FA Saputra
Publisher :
2018 Thirteenth International Conference on Digital Information Management …, 2018
open_in_newPublications
Linked data for air pollution monitoring
2017
Penulis pertama :
MUH Al Rasyid
Publisher :
2017 International Electronics Symposium on Knowledge Creation and …, 2017
open_in_newPublications
Influence of Logistic Regression Models For Prediction and Analysis of Diabetes Risk Factors
2018
Penulis pertama :
YIR Maulana
Publisher :
EMITTER International Journal of Engineering Technology 6 (1), 151-167, 2018
open_in_newPublications
Hospital Length of Stay Prediction based on Patient Examination Using General features
2021
Penulis pertama :
R Adawiyah
Publisher :
EMITTER International Journal of Engineering Technology 9 (1), 169-181, 2021
open_in_newPublications
Rapid Development of m-Health application with the Sprint Design approach and Scrum process: Application Development for e-Prescribing
2018
Penulis pertama :
T Badriyah
Publisher :
2018 International Conference on Applied Science and Technology (iCAST), 336-342, 2018
open_in_newPublications
Mobile personal health record (mPHR) for Breast Cancer using prediction modeling
2017
Penulis pertama :
T Badriyah
Publisher :
2017 Second International Conference on Informatics and Computing (ICIC), 1-4, 2017
open_in_newPublications
Feature selection software development using Artificial Bee Colony on DNA microarray data
2000
Penulis pertama :
W Andaru
Publisher :
2017 International Electronics Symposium on Knowledge Creation and …, 2017
open_in_newPublications
Evaluation of Stratified K-Fold Cross Validation for Predicting Bug Severity in Game Review Classification
2023
Penulis pertama :
MK Mayangsari
Publisher :
Kinetik: Game Technology, Information System, Computer Network, Computing …, 2023
open_in_newPublications
Klasifikasi Keluhan Masyarakat pada Sosial Media Twitter terhadap Pelayanan Toko Online di Indonesia menggunakan Metode Cosine TF-IDF
2020
Penulis pertama :
I Syarif
Publisher :
Bina Insani ICT Journal 7 (1), 33-42, 2020
open_in_newPublications
Big data analysis architecture for multi IDS sensors using memory based processor
2017
Penulis pertama :
FA Saputra
Publisher :
2017 International Electronics Symposium on Knowledge Creation and …, 2017
open_in_newPublications
SEGMENTATION OF LUNG CANCER IMAGE BASED ON CYTOLOGIC EXAMINATION USING THRESHOLDING METHOD
2023
Penulis pertama :
R Widodo
Publisher :
Jurnal Ilmiah Kursor 12 (1), 41-48, 2023
open_in_newPublications
Development User Interface Hospital Management Information System Based on a Heuristic Evaluation Approach in Surabaya Hospital Medical Services.
2000
Penulis pertama :
A Ali
Publisher :
International Journal on Advanced Science, Engineering & Information …, 2023
open_in_newPublications
Anomaly detection in wireless body area network using Mahalanobis distance and sequential minimal optimization regression
2021
Penulis pertama :
MUH Al Rasyid
Publisher :
2021 International Seminar on Application for Technology of Information and …, 2021
open_in_newPublications
Towards a Resilient Server with an external VMI in the Virtualization Environment
2020
Penulis pertama :
AP Utomo
Publisher :
EMITTER International Journal of Engineering Technology 8 (1), 49-66, 2020
open_in_newPublications
Cluster-Based News Representative Generation with Automatic Incremental Clustering
2019
Penulis pertama :
I Shabirin
Publisher :
EMITTER International Journal of Engineering Technology 7 (2), 467-479, 2019
open_in_newPublications
Detecting hang on the virtual machine using LibVMI
2000
Penulis pertama :
AP Utomo
Publisher :
2019 International electronics symposium (IES), 618-621, 2019
open_in_newPublications
Enhanced PEGASIS using Dynamic Programming for Data Gathering in Wireless Sensor Network
2000
Penulis pertama :
MR Mufid
Publisher :
EMITTER International Journal of Engineering Technology 7 (1), 176-199, 2019
open_in_newPublications
Spatio Temporal with Scalable Automatic Bisecting-Kmeans for Network Security Analysis in Matagaruda Project
2000
Penulis pertama :
M Hisyam
Publisher :
EMITTER International Journal of Engineering Technology 7 (1), 83-104, 2019
open_in_newPublications
Assessing risk prediction of cervical cancer in mobile personal health records (mphr)
2018
Penulis pertama :
T Badriyah
Publisher :
2018 International Conference on Applied Information Technology and …, 2018
open_in_newPublications
Development of a Mobile Application for Plant Disease Detection using Parameter Optimization Method in Convolutional Neural Networks Algorithm
2023
Penulis pertama :
A Fauzi
Publisher :
EMITTER International Journal of Engineering Technology 11 (2), 192-213, 2023
open_in_newPublications
Water Quality Control System Based on Web Application for Monitoring Shrimp Cultivation in Sidoarjo, East Java
2000
Penulis pertama :
A Fariza
Publisher :
GUYUB: Journal of Community Engagement 4 (3), 394-411, 2023
open_in_newPublications
Detecting Alter Ego Accounts using Social Media Mining
2000
Penulis pertama :
DK Wardani
Publisher :
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 7 (3), 602-608, 2023
open_in_newPublications
Embedded system training based on Arduino to improve software programming knowledge for vocational students
2022
Penulis pertama :
I Winarno
Publisher :
Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang 7 (4), 748-758, 2022
open_in_newPublications
Improving power transformer lifetime prediction using hyperparameter optimization
2000
Penulis pertama :
AA Ningrum
Publisher :
2022 International Electronics Symposium (IES), 455-460, 2022
open_in_newPublications
A Blockchain System For Digital Sertificate Verification On E-Learning
2021
Penulis pertama :
D Setiowati
Publisher :
Klik-Kumpulan Jurnal Ilmu Komputer 8 (3), 265-278, 2021
open_in_newPublications
Detection of Lung Cancer Cell Based on Cytological Examination Using Convolutional Neural Network
2020
Penulis pertama :
R Widodo
Publisher :
Klik-Kumpul. J. Ilmu Komput 7 (3), 296, 2020
open_in_newPublications
Rekomendasi Kendaraan Roda 4 Berdasarkan Tweet Customer Menggunakan Word2Vec
2000
Penulis pertama :
I Syarif
Publisher :
Jurnal Inovtek Polbeng Seri Informatika 5 (1), 58-67, 2020
open_in_newPublications
Implementasi Algoritma Clustering untuk Efisiensi Energi di Wireless Sensor Network
2019
Penulis pertama :
D Wahyudi
Publisher :
Jurnal Inovtek Polbeng Seri Informatika 4 (2), 168-178, 2019
open_in_newPublications
Prediction of Length of Stay in Hospital Using Hyperparameter Optimization in the Convolutional Neural Networks Method
2024
Penulis pertama :
MAS Iskandar
Publisher :
2024 International Electronics Symposium (IES), 460-465, 2024
open_in_newPublications
Interactive Augmented Reality Simulation to Stimulate Children in Learning Robotics Arm Behaviour
2000
Penulis pertama :
H Rante
Publisher :
2024 International Electronics Symposium (IES), 740-746, 2024
open_in_newPublications
Stroke Disease Classification Using CT Scan Image with Vision Transformer Method
2000
Penulis pertama :
AP Yopiangga
Publisher :
2024 International Electronics Symposium (IES), 436-441, 2024
open_in_newPublications
Klasifikasi Tumor Otak Menggunakan Convolutional Neural Network
2000
Penulis pertama :
H Fakhri
Publisher :
Jurnal Inovtek Polbeng Seri Informatika 9 (1), 2024
open_in_newPublications
Development of a Java Library with Bacterial Foraging Optimization for Feature Selection of High-Dimensional Data
2000
Penulis pertama :
T Badriyah
Publisher :
JOIV: International Journal on Informatics Visualization 8 (1), 299-308, 2024
open_in_newPublications
VGGNet-16 Convolutional Neural Network for Classification Of Stroke Based On CT Scan Images
2000
Penulis pertama :
N Sakinah
Publisher :
International Conference on Applied Science and Technology on Engineering …, 2024
open_in_newPublications
Penerapan Aplikasi Klasifikasi Hukum Tajwid Menggunakan Image Processing
2000
Penulis pertama :
F Kindarya
Publisher :
El-Mujtama: Jurnal Pengabdian Masyarakat 4 (2), 660–669-660–669, 2024
open_in_newPublications
Feature Selection Implementation on High-Dimensional Data using Firefly Algorithm
2023
Penulis pertama :
T Badriyah
Publisher :
2023 Eighth International Conference on Informatics and Computing (ICIC), 1-5, 2023
open_in_newPublications
A Comprehensive Framework for Cold Start Problem in Hybrid Recommendation Systems Extending the Efficient Multi-Mode Approach
2000
Penulis pertama :
T Badriyah
Publisher :
2023 27th International Computer Science and Engineering Conference (ICSEC …, 2023
open_in_newPublications
Enhanced Architecture of Convolutional Neural Network (CNN) for Intracranial Hemorrhage Prediction from CT-Scan Images
2000
Penulis pertama :
T Badriyah
Publisher :
2023 27th International Computer Science and Engineering Conference (ICSEC …, 2023
open_in_newPublications
Semantic Information Search with Automatic Ontology Creation in Regulations National Standards for Higher Education in Indonesia
2000
Penulis pertama :
NW Hidayah
Publisher :
Indonesian Journal of Computer Science 12 (3), 2023
open_in_newPublications
Incremental News Mining Using Evolving Clustering with Functional Operators
2000
Penulis pertama :
AW Hidayah
Publisher :
Indonesian Journal of Computer Science 12 (2), 540-551, 2023
open_in_newPublications
HOSPITAL LENGTH OF STAY PREDICTION BASED ON PATIENT EXAMINATION USING NEURAL NETWORK
2021
Penulis pertama :
R Adawiyah
Publisher :
KLIK-KUMPULAN JURNAL ILMU KOMPUTER 8 (1), 28-38, 2021
open_in_newPublications
Optimasi Efisiensi Energi untuk Pemilihan Intermediate Cluster Head menggunakan MI-C LEACH: Multi-hop Inter-Cluster pada Jaringan Sensor Nirkabel
2020
Penulis pertama :
AS Kirsan
Publisher :
Jurnal Inovtek Polbeng Seri Informatika 5 (1), 152-161, 2020
open_in_newPublications
Building a Recommendation System for Online Shopping Based on Item-Based Collaborative Filtering
2015
Penulis pertama :
T Badriyah
Publisher :
Universitas Muhammadiyah Surakarta, 2015
open_in_newPublications
False Alert Reduction System using Outlier Detection Methods
2010
Penulis pertama :
I Syarif
Publisher :
UNIVERSITY OF SOUTHAMPTON
open_in_newPublications
Network alert correlation using outlier detection methods
2000
Penulis pertama :
I Syarif
Publisher :
UNIVERSITY OF SOUTHAMPTON
open_in_newPublications
Sistem Pendeteksi Intrusi Menggunakan Metode Honeypot
2004
Penulis pertama :
I Syarif
Publisher :
Proceedings Industrial Electronics Seminar (IES) 2004, 344-348, 2004
open_in_newPublications
PERANCANGAN DAN PEMBUATAN SOFTWARE ADMINISTRASI KEUANGAN AKADEMI KEPERAWATAN LAMONGAN
1999
Penulis pertama :
E Haryanto
Publisher :
Universitas Muhammadiyah Surabaya, 1999
open_in_newPublications
SISTEM PERSEDIAAN BARANG (PERLENGKAPAN MEDIK) DI RUMAH SAKIT UMUM MUHAMMADIYAH LAMONGAN
1998
Penulis pertama :
D Kristyaningsih
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_newPublications
ANALISA DAN PERENCANAAN SISTEM INFORMASI PENGINAPAN
2000
Penulis pertama :
Z Rohmman
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_newPublications
APLIKASI SISTEM PENGOLAHAN SUKU CADANG PESAWAT UDARA DI GUDANG STORE SATUDARMATIM DENGAN MENGGUNAKAN PROGRAM BASIC
2000
Penulis pertama :
R Rohaemin
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_newPublications
RANCANG BANGUN PEMBUATAN PERANGKAT LUNAK PERSEWAAN MOBIL
2000
Penulis pertama :
T Liswanto
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_newPublications
PERANCANGAN DAN PEMBUATAN SISTEM PERANGKAT LUNAK SISTEM PERHOTEL PADA FRONT OFFICE DI HOTEL DIBINO DI SURABAYA
2000
Penulis pertama :
AL Broto
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_newPublications
PERANCANGAN DAN PEMBUATAN PERANGAKAT LUNAK SISTEM ADMINISTRASI KEPEGAWAIAN DI RUMAH SAKIT MUHAMMADIYAH LAMONGAN
2000
Penulis pertama :
LZ Anwar
Publisher :
Universitas Muhammadiyah Surabaya, 1998
open_in_new