1,089 research outputs found
Malleable coding for updatable cloud caching
In software-as-a-service applications provisioned through cloud computing, locally cached data are often modified with updates from new versions. In some cases, with each edit, one may want to preserve both the original and new versions. In this paper, we focus on cases in which only the latest version must be preserved. Furthermore, it is desirable for the data to not only be compressed but to also be easily modified during updates, since representing information and modifying the representation both incur cost. We examine whether it is possible to have both compression efficiency and ease of alteration, in order to promote codeword reuse. In other words, we study the feasibility of a malleable and efficient coding scheme. The tradeoff between compression efficiency and malleability cost-the difficulty of synchronizing compressed versions-is measured as the length of a reused prefix portion. The region of achievable rates and malleability is found. Drawing from prior work on common information problems, we show that efficient data compression may not be the best engineering design principle when storing software-as-a-service data. In the general case, goals of efficiency and malleability are fundamentally in conflict.This work was supported in part by an NSF Graduate Research Fellowship (LRV), Grant CCR-0325774, and Grant CCF-0729069. This work was presented at the 2011 IEEE International Symposium on Information Theory [1] and the 2014 IEEE International Conference on Cloud Engineering [2]. The associate editor coordinating the review of this paper and approving it for publication was R. Thobaben. (CCR-0325774 - NSF Graduate Research Fellowship; CCF-0729069 - NSF Graduate Research Fellowship)Accepted manuscrip
On palimpsests in neural memory: an information theory viewpoint
The finite capacity of neural memory and the
reconsolidation phenomenon suggest it is important to be able
to update stored information as in a palimpsest, where new
information overwrites old information. Moreover, changing
information in memory is metabolically costly. In this paper, we
suggest that information-theoretic approaches may inform the
fundamental limits in constructing such a memory system. In
particular, we define malleable coding, that considers not only
representation length but also ease of representation update,
thereby encouraging some form of recycling to convert an old
codeword into a new one. Malleability cost is the difficulty of
synchronizing compressed versions, and malleable codes are of
particular interest when representing information and modifying
the representation are both expensive. We examine the tradeoff
between compression efficiency and malleability cost, under a
malleability metric defined with respect to a string edit distance.
This introduces a metric topology to the compressed domain. We
characterize the exact set of achievable rates and malleability as
the solution of a subgraph isomorphism problem. This is all done
within the optimization approach to biology framework.Accepted manuscrip
Malleable Coding with Fixed Reuse
In cloud computing, storage area networks, remote backup storage, and similar
settings, stored data is modified with updates from new versions. Representing
information and modifying the representation are both expensive. Therefore it
is desirable for the data to not only be compressed but to also be easily
modified during updates. A malleable coding scheme considers both compression
efficiency and ease of alteration, promoting codeword reuse. We examine the
trade-off between compression efficiency and malleability cost-the difficulty
of synchronizing compressed versions-measured as the length of a reused prefix
portion. Through a coding theorem, the region of achievable rates and
malleability is expressed as a single-letter optimization. Relationships to
common information problems are also described
Studi Kepustakaan Mengenai Landasan Teori dan Praktik Konseling Neuro Linguistic Programming (Nlp)
Penelitian ini bertujuan untuk mengelaborasi landasan teori dan praktik konseling Neuro Linguistic Programming (NLP) sebagai alternatif pendekatan konseling. Metode penelitian yang digunakan adalah metode penelitian kepustakaan. Dengan metode pengumpulan data yang digunakan adalah metode dokumentasi. Teknik analisis data yang digunakan adalah analisis isi. Guna menjaga ketepatan pengkajian dan mencegah kesalahan informasi dalam analisis data maka dilakukan pengecekan antar pustaka dan membaca ulang pustaka serta memperhatikan komentar pembimbing.
Hasil penelitian ini adalah terelaborasinya landasan teori dan praktik konseling Neuro Linguistic Programming secara utuh meliputi, : 1) Latar belakang berkembangnya konseling Neuro Linguistic Programming (NLP), 2) konsep utama konseling Neuro Linguistic Programming (NLP), 3) tujuan dari konseling Neuro Linguistic Programming (NLP), 4) fungsi dan peran konselor dalam konseling Neuro Linguistic Programming (NLP), 5) pengalaman konseli dalam proses konseling Neuro Linguistic Programming (NLP), 6) hubungan antara konselor dan konseli dalam konseling Neuro Linguistic Programming (NLP)), 7) teknik dan prosedur konseling Neuro Linguistic Programming (NLP), dan 8) hasil penelitian penerapan konseling Neuro Linguistic Programming (NLP), dan 9) proses konseling Neuro Linguistic Programming (NLP) dalam menangani kasus.
Kata Kunci: Studi Kepustakaan, Neuro Linguistic Programming (NLP
Efektivitas Pelaksanaan Pasal 15 Ayat (3) Peraturan Pemerintah Nomor 74 Tahun 2014 Tentang Angkutan Jalan Terkait Kewajiban Pemerintah Daerah Menjamin Ketersediaan Angkutan Umum ( Studi di Dinas Perhubungan, Komunikasi dan Informatika Kabupaten Rembang)
Angkutan merupakan elemen penting dalam perekonomian karena berkaitandengan distribusi barang, jasa dan tenaga kerja serta merupakan inti daripergerakan ekonomi kota. Hal ini yang kemudian memerlukan peranpemerintah untuk mewujudkan jaminan ketersediaan jenis transportasi iniuntuk kebutuhan masyarakat. Kewajiban tersebut seperti yang telah tertuangdalam Pasal 15 ayat (3) Peraturan Pemerintah Nomor 74 Tahun 2014 tentangAngkutan Jalan tentang kewajiban pemerintah daerah menjamin ketersediaanangkutan umum. Kabupaten Rembang merupakan salah satu kabupaten diprovinsi Jawa Tengah dengan luas wilayah yang cukup luas dibandingbeberapa kabupaten di Jawa Tengah yang lain. Hal ini yang mendasari pentingnya alat transportasi guna menunjang mobilitas warga KabupatenRembang yang cukup luas ini. Ketersediaan jumlah angkutan umum terutamaangkutan angkutan perdesaan di Kabupaten Rembang dapat dikatakan cukup.Namun, dalam kondisi dan keadaan tertentu memang tidak seimbang denganjumlah penumpang atau peminat angkutan tersebut. Tidak meratanyapersebaran angkutan perdesaan yang ada di Kabupaten Rembang juga menjadimasalah bagi mobilitas masyarakat yang tinggal di daerah yang tidak dilewatiangkutan umum. Selain itu, adanya sebagian angkutan umum yang tidakberjalan sesuai trayek yang telah ditentukan juga menambah masalah efektivitas pelaksanaaan Pasal 15 ayat (3) Peraturan Pemerintah Nomor 74 Tahun 2014 tentang Angkutan Jalan.Kata Kunci: Efektivitas, Kewajiban Pemerintah Daerah, Penyediaan AngkutanUmum
Pengaruh Penerapan Corporate Social Responsibility Terhadap Nilai Perusahaan Pada Sektor Infrasturktur, Utilitas Dan Transportasi Di Indonesia
The research on the influence of Corporate Social Responsibility (CSR) to the value of the company had been done a lot previously, but the results of these studies were not consistent and specific research on the Infrastructure sector, Utilities, and Transportations had been never done yet.This study was conducted to know the affect of CSR on firm value on Infrastructure sector, Utilities, and Transportation. The CSR was proxied by using the Global Reporting Initiative (GRI) Index 3.1 and the value of the company was proxied by using Tobin's Q. There were three control variables in this study: firm size, market share and the debt to equity ratio. The sample use din this study were 43 companies with 175 observations in the infrastructure sector, Utilities, and Transportation in 2009-2013 study period.The results showed that CSR and the debt to equity ratio does not affect to the value of the company. While firm size negatively affected company value, and market share affected the company value
Implementasi Pasal 16 Ayat (3) Peraturan Daerah Provinsi Jawa Timur No. 3 Tahun 2013 Tentang Perlindungan dan Pelayanan Penyandang Disabilitas Terkait Kewajiban Pelaku Usaha dalam Mempekerjakan Penyandang Disabilitas (Studi di CV. Sejahtera Abadi dan Pg.
Pada dasarnya setiap manusia adalah mahluk ciptaan Tuhan yang mempunyai kedudukan yang sama di muka bumi. Setiap manusia mempunyai harkat dan martabat yang melekat secara kodrati pada dirinya, dimana sesuai dengan yang dituangkan dalam Undang-Undang Dasar Negara Republik Indonesia 1945 dalam pasal 27 yang berbunyi Setiap warga Negara berhak memperoleh pekerjaan dan penghidupan yang layak bagi kemanusiaan. Kemudian ada penegasan pada amandemen keempat Undang-Undang Dasar 1945 yang mengatur tentang Hak Azasi Manusia pada pasal 28C yang memiliki arti bahwa setiap orang berhak memenuhi kebutuhan dasarnya demi meningkatkan kualitas hidupnya.1 Adanya kesempatan kerja yang sama yang tertuang pada Pasal 16 Ayat (3) Peraturan Daerah Provinsi Jawa Timur No. 3 Tahun 2013 Tentang Perlindungan dan Pelayanan Penyandang Disabilitas yang mewajibkan pelaku usaha mempekerjakan penyandang disabilitas dengan rasio satu banding seratus (1:100). CV. Sejahtera Abadi dan PG. Krebet Baru Malang merupakan Perusahaan yang berdomisili pada Kabupaten Malang Provinsi Jawa Timur dimana termpat berlakunya regulasi tersebut sehingga CV. Sejahtera Abadi dan PG. Krebet Baru Malang memiliki kewajiban untuk mempekerjakan penyandang disabilitas diperusahaanya.Kata kunci: Pekerja, Kesempatan Kerja, Penyandang Disabilita
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