Scaling Frequent Itemset Mining – Lecture Notes

large \(|I|\) , even just the 2-itemsets may exceed our memory: \(O(|I|^2)\) entries, and counting on-disk is unbearably slow Finding 2-itemsets We will first focus on 2-itemsets only! if we have \(M=|F_1|\leq [...] we need to count \(|C_2|=M^2\) pairs for triples, we usually do not have to count \(M^3\) triples because of Apriori pruning (in the Netflix example, we even had \(|C_3|\lt{}|C_2|\) !) Counting All Pairs [...] Walmart), and want to count all pairs: Triangular matrix : \(n\cdot (n-1)/2\) cells, 4 bytes each ⇝  \(n(n-1)/2\cdot 4 \approx 2\cdot 10^{10} = 20\) GB RAM Sparse matrix : store only non-zero matrix cells …

Scaling Frequent Itemset Mining – Lecture Notes

large \(|I|\) , even just the 2-itemsets may exceed our memory: \(O(|I|^2)\) entries, and counting on-disk is unbearably slow Finding 2-itemsets We will first focus on 2-itemsets only! if we have \(M=|F_1|\leq [...] we need to count \(|C_2|=M^2\) pairs for triples, we usually do not have to count \(M^3\) triples because of Apriori pruning (in the Netflix example, we even had \(|C_3|\lt{}|C_2|\) !) Counting All Pairs [...] Walmart), and want to count all pairs: Triangular matrix : \(n\cdot (n-1)/2\) cells, 4 bytes each ⇝  \(n(n-1)/2\cdot 4 \approx 2\cdot 10^{10} = 20\) GB RAM Sparse matrix : store only non-zero matrix cells …

Beyond Word2Vec – Lecture Notes

Beyond Word2Vec – Lecture Notes Computer Science Department Home Team Teaching Research Projects Publications ML Bits Beyond Word2Vec These contents were automatically converted from lecture slides. Some [...] of frequent cooccurrences, e.g., \(f(x)=\min\{ (x/x_\max)^\alpha, 1 \}\) . From word2vec to Paragraph Vectors ( doc2vec ) [ LeMi14 ] The early approaches used the average word vector, but it did not work [...] each (training) paragraph/document. FastText [ BGJM17 ; GMJB17 ] Original word2vec only used the most frequent words. ⇝ no word2vec vectors for rare or unseen words. Idea: can we (also) use character n-grams …

Einfluss dezentraler Wärmepumpen auf die Netzausbaukosten des Niederspannungsnetzes

Betriebs- kosten [€/km] Barwert [T€/km] 4x35 mm2 (NAYY-J) 78 3,5 10,5 81,63 4x95 mm2 (NAYY-J) 78 7 21 85,27 Al 70 19 7 87 27,11 NFA2X 4x35 RM 19 4 70 23,90 NFA2X 4x70 RM 19 6 90 26,15 Al 25 19 5 80 25,02 [...] Abbildung 2 sind für drei repräsentative Monate die P95 und deren gleitende Mittelwert über die MC-Simulationen dargestellt. Nur Wirkleistungsregelung + zentrale WP-Regelung 20 /1 0 20 /2 0 Abbildung 2: 95% [...] nungsnetzes Linda Rupp1, Marc Brunner2, Stefan Tenbohlen Institut für Energieübertragung und Hochspannungstechnik (IEH) Universität Stuttgart 1linda-rupp@gmx.de, 2marc.brunner@ieh.uni-stuttgart.de In diesem …

-Diskussionen ==== DAP2 Vorträge ==== Zur Zeit werden unregelmäßig Vorträge in DAP2 gehalten: [[https://foss-ag.de/dap2/opensource|Intro – Open Source]] [[https://foss-ag.de/dap2/linux|Linux]] [[https [...] |Lukas Kidin |59|2 |5 |Ja | |Philipp Lehnert |51|6 |9 |Ja | |Ann-Cathrin Dienhoff|51|7 |8 |Ja | |Viktoria Braune |46|8 |12 |Ja | |Timucin Boldt |48|8 |10 |Ja | |Jasmin Bruns |62|2 |2 |Ja | |Falk Rehse [...] Mittel ===== ^Konto ^ Betrag [€]^ |589.4F (KIF-Tickets) | 500,00| |604.2F (Oster-Aktion) | 350,00| |605.1F (Fahrradzubehör) | 75,00| |607.2F (FVV-Rahmenprogramm) | 250,00| |Begrünung | 164,04| |Büromaterial …

No Title Given

else. ut 12 1 F 0 s m U3, U4 q P D U1 T3 T4, T5 U1, U2 U3, U4 U5 T1, T2 T2 T3, T4, T5 T6, T7U1, U2, T4, T5, R Fig. 2. Phase qualities of a phase. 3.2 Meta-Rule While modeling or analyzing I–Systems, the [...] rules from {U1, U2, U3, U4, D, T1, T2} ⊂ RULES can be applied. By applying rules from {U1, U2, U3, U4, D}, z|b is transfered into another elementary state z′|b. By applying rules from {T1, T2}, z|b is transfered [...] rules from {U1, U2, T2, T3, T4, T5, T6, T7} ⊂ RULES can be applied. By applying rules from {U1, U2, T3, T4, T5, R}, z|b is transfered into an elementary state z′|b. By applying rule {T2}, z|b is transfered …

.................... 103 5.2.2 METTL16 .................................................................................................................... 120 5.2.3 YTHDF2 ........................... [...] .................................. 11 1.2.2 The natural role of the LIN28ïlet-7 interaction ............................................................ 13 1.2.3 LIN28 as a potential therapeutic target [...] ............................... 23 1.3.2 The m6A reader YTHDF2 ............................................................................................. 27 2 Aim of this thesis ................... …

Microsoft Word - CO2 Pricing rerevised

cents/liter Diesel 2.65 kg CO2/liter 6.6 cents/liter 11.9 cents/liter 17.2 cents/liter Heating oil 2.65 kg CO2/liter 6.6 cents/liter 11.9 cents/liter 17.2 cents/liter Natural gas 0.20 kg CO2/kWh 0.5 cents/kWh [...] Carbon Pricing of various CO2 Prices (Sources: UBA 2019b, own calculations) Emission factors € 25 per ton of CO2 € 45 per ton of CO2 € 65 per ton of CO2 Petrol 2.37 kg CO2/liter 5.9 cents/liter 10.7 c [...] prices: € 25 per ton of CO2 € 45 per ton of CO2 € 65 per ton of CO2 Diesel consumption 42.35 bn liters 41.64 bn liters 40.94 bn liters Consumption change -2.0% -3.7% -5.3% CO2 savings 2.335 m tons 4.203 m tons …