Towards Instance Optimal Join Algorithms for Data in Indexes pdf

... A  i = S ∩ A i in O(D i log N) time. 19 Towards Instance Optimal Join Algorithms for Data in Indexes Hung Q. Ngo Dung T. Nguyen Christopher R´e Atri Rudra ABSTRACT Efficient join processing has been ...  2 to pay for the merge operation. If an interval is contained in another interval, only the larger interval is retained in the data structure. By maintaining th...

Ngày tải lên: 30/03/2014, 22:20

... certainly attractive for CUG, there are also a number of potential inefficiencies: In many cases useless items will be predicted. Consider, for instance, a grammar with a lexi- con containing ... procedure can in principle lead to an instanti- ated grammar that is considerably larger than the input grammar. For instance, given a grammar which distin- guishes between plural a...

Ngày tải lên: 18/03/2014, 02:20

... Building PVP patterns this way does lose some information. Binning itself discards information in the variables for a practical gain in usability. However, using PVPs makes much of the information ... the data is a series. It is not optimal because the ordering information is not fully used in the numeration. However, using such information involves projecting the alpha value...

Ngày tải lên: 15/12/2013, 13:15

... the data to be modeled is presented on an instance- by -instance basis. Of course, each of the instances can be assembled into a data set, and that data set examined for similarity to the training ... different bin sizes to best preserve information content. This is called information-retentive adaptive binning since the bin size adapts to optimize the information structure in...

Ngày tải lên: 15/12/2013, 13:15

... models in Vietnam 3. Exploiting the commercial information systems on Internet 3. Exploiting the commercial information systems on Internet 4. Business Transaction Process by e-mails 4. Business ... e-mails - Introduction through website - Introduction through website - Participating in ecommerce - Participating in ecommerce - Promoting co’s website - Promoting co’s website - Sending CD...

Ngày tải lên: 16/01/2014, 17:20

... sites within time T. As in the naive scheme, each site maintains a checksum of its database. In addition, the site maintains a recent update list, a list of all entries in its database ... for T, can be used if each site can maintain an inverted index of its database by timestamp. Two sites perform anti-entropy by exchanging updates in reverse timestamp ord...

Ngày tải lên: 16/03/2014, 16:20

... Handbooks in Financial Engineering and Econometrics Viens, Mariani, and Florescu · Handbook of Modeling High-Frequency Data in Finance Forthcoming Wiley Handbooks in Financial Engineering and Econometrics Bali ... long range dependence. Models for stock and index data with this type of dependence at the level of squared returns, for instance, are coming into the mainstream; in...

Ngày tải lên: 22/03/2014, 09:20

... activities that take place in the late afternoon and evening involve both students and adults or, in some instances, mainly adults. These include interscholastic sporting events, back-to-school ... purposes; and the increasing variety of products increases the difficulty of making clear distinctions among them. In addition, if flavored or fortified waters are included, they may serve,...

Ngày tải lên: 22/03/2014, 19:20

... foundation for meaningful interaction in a given speech community.” (Fillmore et al., 2003, p. 235). In FrameNet, lexical units are grouped in frames; frame hierarchy information is provided for ... getting frame are: acquire, gain, get, obtain, secure. For each entry, WordNet is consulted as a first pruning mechanism. This results in the following: • Acquire: get • Gain...

Ngày tải lên: 17/03/2014, 06:20

... the binding epitope for the anti-EpoR immunoglobulin is indicated. The calibrator, GST-EpoR, consists of the protein domain containing the antibody-binding site fused to an affinity tag for purifi- cation. ... quantitative data and permit the cost-effective assembly of large, high- quality data sets. Discussion Quantitative data generation is becoming increasingly important for obta...

Ngày tải lên: 19/02/2014, 07:20