Pendeteksian topik utama berita online indonesia menggunakan nonnegative matrix factorization berbasis metode langsung = Main topic detection of indonesia online news using nonnegative matrix factorization based on direct methodthe rapid development of online news on the internet has increased the number of news document information about the main topics become a necessity

Analisis pengaruh derajat, sparseness dalam metode non-negative matrix factorization (nmf) pada ekstraksi topik utama berita online indonesia = An impact analysis of degrees of sparseness in non-negative matrix factorization (nmf) method for extracting main topic of indonesia online news

Akurasi polynomial-time nonnegative matrix factorization untuk pendeteksian topik pada twitter = Accuracy polynomial time nonnegative matrix factorization for detection of topic on twitter / Rosiana Disiati Prabandari

Penentuan kata-kata anchor pada metode separable nonnegative matrix factorization dengan menggunakan singular value decomposition dalam pendeteksian topik = Determination of anchor words on separable nonnegative matrix factorization method using singular value decomposition for topic detection

Penentuan kata anchor berbasis singular value decomposition pada metode separable-nonnegative matrix factorization untuk pendeteksian topik = Finding anchor words based on singular value decompotision on separable nonnegative matrix factorization method for topic detection / Ika Dwi Novitasari