Download Data Integration in the Life Sciences: 8th International by James M. Ostell (auth.), Olivier Bodenreider, Bastien Rance PDF

By James M. Ostell (auth.), Olivier Bodenreider, Bastien Rance (eds.)

This ebook constitutes the refereed complaints of the eighth foreign convention on info Integration within the lifestyles Sciences, DILS 2012, held in university Park, MD, united states, on June 28-29, 2012. The eleven revised papers integrated during this quantity have been conscientiously reviewed and chosen. The papers hide the next subject matters: foundations of information integration, new paradigms for information integration, and integrating scientific data.

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Extra info for Data Integration in the Life Sciences: 8th International Conference, DILS 2012, College Park, MD, USA, June 28-29, 2012. Proceedings

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The results are presented in Fig. 1 for TF·IDF scoring. The following can be observed. Table 2. Mapping sizes based on total number of terms Mapping 1 2 3 4 5 6 7 8 9 10 Size 18,047 36,561 106,876 199,737 75,379 255,940 182,213 73,031 255,261 126,052 Ranking Schema Mappings Using Implicit Feedback 43 Algorithm 1. Query log file generator for Experiment 1 1: Create log file log if it does not exist 2: for i = 1 → 100 do 3: columnname = select random column from global schema 4: tuplelist = get all tuples from global schema where column name equals to columnname 5: value = select random tuple from tuplelist 6: append value into log 7: end for Fig.

To take account of the fraction of the extent of a mapping that is relevant, we now propose a variation on TF·IDF, as follows. e. the number of non-null values in the attributes of the tuples of m). We define the Size Normalised (SN) TF·IDF as: T F · IDF ScoreSN (l, m) = ( t∈l T F · IDF (t, extent(m)) ∗ log(size(m))) size(m) where extent(m) is a document containing the result of evaluating the mapping m, and l contains the bag of the literals obtained from equality conditions in the query log. The multiplication by log(size(m)) has the effect of preferring larger mappings where the percentages of relevant tuples are similar.

Comp. Molec. Funct. At 8 Ce 9 8 9 117 91 Overlap 28 25 17 20 6 3 5 2 6 4 0 2 Table 2. Statistics for datasets At 37 and Ce 53. The 8 overlapping biological processes are ATP catabolic process, ATP biosynthetic process, transport, cation transport, metabolic process, response to metal ion, response to manganese ion, and manganese ion homeostasis. The 6 overlapping cellular components are intracellular, nucleus, cytoplasm, vacuolar membrane, membrane, and integral to membrane. The 4 overlapping molecular functions are zinc ion binding, coupled to transmembrane movement of ions, phosphorylative mechanism, and ATPase activity.

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