Carrying capacity in overwintering birds: when are spatial models needed?

What dynamic capabilities are needed in ERP activity?

Although many scholars have proposed all kinds of key successful factors (KSFs) for ERP activity to smoothly enhance the implementation of ERP, the KSFs are based too much on concept and protocol cannot help an enterprise to achieve this objective. Therefore, this research through qualitative interview method, integrating the KSFs and dynamic capability to set up a model so as to exhibit the ki...

Wermuth Comment : Are Marginal Models Needed ?

Regularization and nonlinearities for neural language models: when are they needed?

Neural language models (LMs) based on recurrent neural networks (RNN) are some of the most successful word and character-level LMs. Why do they work so well, in particular better than linear neural LMs? Possible explanations are that RNNs have an implicitly better regularization or that RNNs have a higher capacity for storing patterns due to their nonlinearities or both. Here we argue for the f...

When and how are spatial perceptions scaled?

This research was designed to test the predictions of 2 approaches to perception. By most traditional accounts, people are thought to derive general-purpose spatial perceptions that are scaled in arbitrary, unspecified units. In contrast, action-specific approaches propose that the angular information inherent in optic flow and ocular-motor adjustments is rescaled and transformed into units rel...

Spatial Disorientation in Birds

T HE aircraft was on final approach through the rain and fog. At approximately 500 feet it went into a spiral dive to starboard, striking the right wing against the approach lights. The aircraft was destroyed. Blackburnian Warblers were migrating on a night of a low ceiling and the visibility restricted in moderate rain. On reaching a floodlighted area, some fifty birds crashed into a hangar an...