Headless Bears

Headless Chickens IV

The Headless Chickens IV (HCIV) were developed using a prototype end-user agent development environment called EASE (End-user Actor Speci cation Environment). The experience provided a great deal of data about general and domain speci c properties of the system. A secondary research goal was to generalize the strategy editor used to specify the team strategies of last years team to specify team...

Headless Chickens III

Of Headless User Accounts and Restricted Shells

UNIX system accounts not bound to a particular user, so-called “headless user accounts,” are frequently used to allow for automation of certain tasks . For security reasons, such headless accounts usually have a very restricted shell, allowing only a few select commands . At the same time, system administrators and service engineers frequently have a need to let such accounts execute additional...

Headless Constructions and Coercion by Construction

Among the many relations which play a role in syntactic and semantic generalizations one has carried a unique historic burden as the regulator of interaction between the two levels: that of head. While the canon of heads has been expanded to include an array of nonlexical categories, as in the functional projections of the minimalist program (see, e.g., Marantz 1995, Radford 1997), syntactic th...

Tibiotalocalcaneal arthrodesis with headless compression screws

BACKGROUND Tibiotalocalcaneal arthrodesis with headless compression screws has not been previously reported. We hypothesized that these screws could be suitable for tibiotalocalcaneal arthrodesis because of their special design. This study aimed to evaluate the clinical outcomes of patients undergoing tibiotalocalcaneal arthrodesis with headless compression screws for the treatment of severe ar...