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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教; I5 G$ _8 Y9 z0 q5 }/ e. m: f
globals[& v* n5 L' ^0 u+ D& X
xmax) N7 Q5 E% V$ ^7 Y( l
ymax
9 I! }& Y# I/ P0 Y& V0 z/ ?7 |9 Vglobal-reputation-list
[* ^& h0 [- f9 k
1 w8 e: Y, I8 x( W2 ]8 J;;每一个turtle的全局声誉都存在此LIST中, ~- ^9 w' N( J+ k" d- r
credibility-list) ?- { T, s: u0 j/ Y; U) {- E* Z
;;每一个turtle的评价可信度
' i& J5 k1 @5 O8 |) M; A; bhonest-service: _4 q' X8 x% ~3 ]
unhonest-service
$ r+ j' H7 m# g0 xoscillation
* m& k7 h5 M) D$ M1 vrand-dynamic- Q- T( A4 U% l
]. B* b7 U ], ~* m4 D, n- I$ X
+ |- a3 u! {" m. D" _+ d) T
turtles-own[, O5 i# _+ |# t# b. e
trade-record-all
. |3 X$ m/ X7 C) n;;a list of lists,由trade-record-one组成
, y: }8 T, V5 o: Vtrade-record-one
3 i! ~1 q1 q2 v' k0 T;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ i' L: D8 H/ t9 H) D- J: |
" V' ~3 I; N2 I$ H8 T \;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
- K4 i+ B' L, A: K$ R: u' ]trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
7 ?$ R- } H! q& K' wcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list H0 [0 f" I* f3 B
neighbor-total+ d4 L( X4 c/ C4 |' i- n' a5 g
;;记录该turtle的邻居节点的数目) J. B( ^3 W V
trade-time
1 q- C9 n) h4 c;;当前发生交易的turtle的交易时间
! `; x, j9 f ^& F( Zappraise-give2 h) d, V; b+ M# }) F
;;当前发生交易时给出的评价; y3 N0 p, @2 q/ F7 z* G; _
appraise-receive
0 u! ]$ y. N8 j/ F5 N;;当前发生交易时收到的评价$ q; b$ U- |" O) B" V# c$ a
appraise-time
* T' e! L5 g N$ Y;;当前发生交易时的评价时间- H7 N1 T4 e) @ n) T
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ z$ h; r- Y; D, jtrade-times-total
4 L: j" s: m2 L ~, Y3 n3 k9 L;;与当前turtle的交易总次数
B9 x4 j5 u. a, dtrade-money-total6 L, n. E' K$ q, r
;;与当前turtle的交易总金额5 M! F7 k& Z8 U ^7 X
local-reputation
4 q& z1 d0 O4 |/ R* Zglobal-reputation# c. c; H4 l1 ?5 V8 A# R1 f5 B8 y
credibility
1 H: g! b G0 _9 ~;;评价可信度,每次交易后都需要更新
9 Y" ?6 d( ~3 H0 v: q8 f$ r0 ycredibility-all+ E) b3 m4 W( q! U* H9 }
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据" U: y4 o6 R( I
2 u: q* K/ b: L) P* |' ]1 F
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
4 m u! v# h/ S: o& n5 L, k( q6 Ecredibility-one1 ?8 y- G o4 G* h9 t. x6 `+ Y
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项. L0 ^$ W8 c* I7 y
global-proportion2 O6 P( Y; s# }, }4 E
customer
; Y; ?2 R' g- E7 i2 _1 `- b( U- @' Ecustomer-no
# F4 ?) H* W" W1 {+ Ntrust-ok: i- w( M$ l x& n$ b/ j
trade-record-one-len;;trade-record-one的长度
( [- B+ _$ Z6 w6 l0 }9 Y]
$ b! y: m7 z+ J7 i. D. Z* ]8 @. `$ H# `# z$ K# T ~" P
;;setup procedure: ]) l- E1 E- k; H. |) _1 b8 `
9 a3 W4 \/ J: C+ Rto setup
. a- q# a6 U7 d8 h6 h
: ^" e2 t8 Y8 u0 C* |ca* ~4 h0 o& K9 j2 g
0 {1 Y3 x$ T* f9 s9 q: ninitialize-settings
6 I3 ?" h. ]9 M# t! t1 }8 ~7 v! S' V9 s; p0 Z" L
crt people [setup-turtles]
) L! ^) V' J+ r S: i9 X; l
% R- G/ I! Y( }3 e+ E) qreset-timer
+ I: I, N! | {# M/ S7 G6 L' |) n; r
. k4 x. X' X* u1 ypoll-class& p! f) `$ x9 j% z; H
" T" e6 c9 g* Z5 _
setup-plots9 k$ T+ J; r" s+ x9 O/ D
6 ~9 C! ~+ t; J; }
do-plots
0 f" d! e$ h+ L9 Hend" @: f; i3 y' w9 ]! f
5 o1 h5 `& Z# V3 Qto initialize-settings
& b/ ~3 Z, [$ l$ D: _* e% d0 ^+ {) }
' U. Y& q. |- I6 x: M5 _set global-reputation-list []
- F+ ^: s3 j* e4 Y* @. u* K
: x. Y9 h5 y3 c) h& eset credibility-list n-values people [0.5]# I! Q5 j: a' C' ^( B
2 e) b2 a/ Q4 K8 y" U" L& f7 Q% xset honest-service 0; e( j0 ^$ H7 G1 c1 v/ Q2 [
2 B& U6 X) _* c% q
set unhonest-service 0
0 q" B3 n! B& u0 P! Q3 k e6 b: z: `9 V! p3 M9 ?7 j
set oscillation 0
8 a7 l' G6 Y" M# B
% Q4 \4 @$ I; v+ t( Q+ Sset rand-dynamic 0
1 X+ a2 i* @- j0 J6 |4 t% E$ z3 oend& s/ y6 I) t0 M
2 o& [) u! k7 Q$ u7 z; X
to setup-turtles
9 k6 r! T' H8 ?7 }% O g9 y1 qset shape "person"6 o C' L9 U! H
setxy random-xcor random-ycor
$ I+ ^/ i: [! F/ u0 Y! B4 P5 @set trade-record-one []3 C" C- B* a: Z5 @
5 D, D: D, S9 V
set trade-record-all n-values people [(list (? + 1) 0 0)] * x, c: m* u4 l! Y- r
8 c, D1 }4 x. X) l
set trade-record-current []
) j; o6 O5 _9 o6 y$ r Q$ p, K& hset credibility-receive []$ X( `: ~% q& B3 O& Q
set local-reputation 0.50 X2 y* I! L, M1 q" t
set neighbor-total 0
5 s+ y5 U7 J( [6 n% `set trade-times-total 0
" A n* J; K/ i9 z" H& u! f8 P t2 X: kset trade-money-total 0
$ G1 b2 x' r6 t7 ^8 |6 _- y+ B0 Kset customer nobody9 n. q3 S% O% O, t1 K9 }2 g7 r' ~
set credibility-all n-values people [creat-credibility] L% k; Y: u' `3 y5 d& X
set credibility n-values people [-1]5 W E; _' G: ^: F1 {9 m" f
get-color
h) d1 A. }1 Z$ a' k2 n v8 X: M! Z5 L
. P8 z% x. k4 Q$ Xend
8 I1 y8 g+ P6 R/ Y! ]' M! Z) z6 R5 H" M- x6 V: k3 ?
to-report creat-credibility2 i4 {8 C) w2 U, o$ _/ ?
report n-values people [0.5]1 \, A: N# ]' H# F$ @) X
end
- O5 q0 N. ]9 ], J& Y' b5 ?5 q k& U) s! g0 Y8 e* G# _
to setup-plots
5 l7 y+ h- m3 M+ z, J) \( Q) {' k' n2 `- v& e& e: o
set xmax 30
; T3 I! |3 ?! J3 j: ], a6 H6 h
}" S; ~) d% k8 q! J5 N: Qset ymax 1.0
# m0 g8 p, m3 d$ N
9 g4 y; E& q4 c, j2 w, ^' wclear-all-plots
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" Z3 w" r1 m; Rsetup-plot1
( a& B2 M# d! T$ H0 ^: h: A( s$ J/ H8 N
setup-plot2
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' A( ^# W; z* A6 M( y5 vsetup-plot33 d# M) e' Y# V) d0 a4 U
end( Q3 R% g" o# e1 n% q( l) |
% q0 L K9 R) l1 J, d8 Z& E
;;run time procedures
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to go! E* O' ~* P! z4 T: U. f I, \% e
" c, i# W5 B% z, n2 ^
ask turtles [do-business]" Z3 X3 L0 B& D# g8 t+ R' @
end8 p; W6 b# e7 e
( l* D/ ~1 m! N7 p) v2 i+ h& W3 Lto do-business
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" G @) u5 f. M4 k( x
" S7 ^0 b5 a. I. H7 T( N( frt random 360& e7 l3 b( X$ E, }: E8 C1 L
/ \" ]8 j! K$ D) \2 cfd 1- j. {+ T( D/ L4 L: _- k
5 s# m& [$ Q. B" z5 i) J
ifelse(other turtles-here != nobody)[
- H& A+ h: l2 N
/ k y* e' P; y `- b. lset customer one-of other turtles-here6 F5 o& _) i. R* Q2 n' {1 N
; k: D8 Q% H8 {# e/ y* [ S;; set [customer] of customer myself0 j7 _3 u; E: X
& f* r6 O3 k$ [ G2 i C
set [trade-record-one] of self item (([who] of customer) - 1)
8 w+ d/ w5 @! i+ b[trade-record-all]of self; i% S# s: ~* X5 f x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- u+ d# M, C( I3 ~8 Z0 T; m j
8 Z: ^1 N4 G& j1 e1 Aset [trade-record-one] of customer item (([who] of self) - 1)' Q! l- Z1 b0 T7 \& t' _3 \: J
[trade-record-all]of customer/ j- g9 _- a1 J
. ^+ D1 i3 C8 G1 A- Q9 u5 Qset [trade-record-one-len] of self length [trade-record-one] of self/ `) N6 {* M! z! @& S- k
7 W& x- C: o! q( l2 K2 q2 P; uset trade-record-current( list (timer) (random money-upper-limit))6 o3 v$ O* U5 i, G# P7 P% {
: K) q6 T- O4 j, f, p% Q' n, f
ask self [do-trust]
+ C' T' {; ~- U. ?;;先求i对j的信任度
$ ?) \5 P& {+ R9 O
$ C2 s% {8 G0 ^5 vif ([trust-ok] of self)
' J! g9 U/ R: T3 Y, U. P$ \! P;;根据i对j的信任度来决定是否与j进行交易[
3 W* k% j2 C$ Gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ c6 a7 ~7 q! P% K; a& W# a
+ P: v7 D/ u( v2 v% k+ O/ |2 t[7 g% f& f; }2 p, S5 [% Q
; w/ Q- F/ x% f2 E+ y9 ^" H3 n# zdo-trade2 R8 ~9 X, A. ]
$ q! _/ ~9 P4 l. T! ?* mupdate-credibility-ijl) l$ e& g5 R8 s+ J$ o, ]0 i4 u
P% y g/ u" }' k- Dupdate-credibility-list% J9 W* S: e* R' F; {; z
9 r3 E" l' i+ I# C" D% K8 \4 O) {* I, p# {" w
update-global-reputation-list' i7 R; F* H( u% f0 H9 J1 N
+ c u2 `7 f2 _8 p: Z: Rpoll-class! X( Y# }0 I5 ` P% o2 M7 s2 J
+ t7 C% ^, N5 b, B+ e$ i" Z
get-color, u$ b! B6 Y. j5 R1 G0 V- u- B( g
% N5 i; q+ L% n# []]
* _* ?5 v0 z6 @/ h* q& K" ?, p3 `7 t& t, s$ x& o: \$ C
;;如果所得的信任度满足条件,则进行交易
, u2 d* G% ?: O. ~- Y5 s8 f# _3 ~# G A- G ?7 i
[8 S: @* y" Q6 j! P
5 d3 p# J0 k: O. [$ O
rt random 360
2 v1 b% N, W/ ~5 Z8 J3 e8 t/ I& O; P* C, X
fd 1$ x7 Y& p. N4 _" n* J
! o0 y, f9 s* ?' ?3 y]
5 U0 O' I* b; a
+ r) |: ]8 @' d$ F" o# W5 Nend1 ~4 L% ~( n% V; H3 n
! t; V4 u& E' z* v& T7 D; T' \+ wto do-trust / c3 H+ ?$ J; H) K+ r7 \
set trust-ok False& @4 N; ?0 F& Z; s
% A0 v" \3 T& k, G& t6 r1 ^6 ?( O1 k6 a8 D. O
let max-trade-times 04 C/ m, w8 V R5 M( Y7 z- y% K {% f
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 x: G' B4 w! h
let max-trade-money 0
$ s/ c% v0 f3 u$ G% aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 y. {; J T& `. f$ c5 M2 c' hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) c' x" a& D3 A$ {
1 V0 q8 A/ {+ }$ v( v- S' t3 c6 n7 _. C* ?
get-global-proportion
' `6 J0 u' `# g, d% A* U, nlet trust-value
; R5 k; O3 V! n& l( U$ Klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
' I f; Q1 M% yif(trust-value > trade-trust-value)1 \" \ c* }5 ]! `: F8 M( v
[set trust-ok true]' c6 b" D7 z$ ?! C
end9 c9 F* y2 m4 Q, I: C
3 @) l( } |" dto get-global-proportion5 u# \ W2 L) q d0 F% E S* K
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; k+ p. X+ s: |8 ^[set global-proportion 0]3 B/ Z. T3 n9 N8 m) D ]
[let i 0
8 s, e- s& z* |9 D# z- Jlet sum-money 0
9 k+ ~6 z: U$ l, d9 `7 z$ gwhile[ i < people]
3 x7 m2 X ]9 e2 y/ T0 I/ B[
5 W. q" z, j1 K/ x f" Wif( length (item i/ q3 B' K/ K1 w \& i' U
[trade-record-all] of customer) > 3 )
. O& y- j9 h, t9 o) _, u[
- p8 \* Q" w. e W: l7 c; tset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% c" u% R; d5 H5 r( @2 _" B2 G
]
9 u$ g5 ^1 Y0 k/ H* H {/ v& T]/ L, ?% o% ^! Q O1 Z
let j 0
) W! d8 O1 E8 e. Alet note 0
2 W* N( p. ?) b8 e3 bwhile[ j < people]
K6 M' c% P, V8 T) g[
, S; j0 M0 K3 c" Rif( length (item i
4 v* X" J$ z7 [2 i& K[trade-record-all] of customer) > 3 )
* S6 L* y% D+ p: v0 o# l8 e[* E' V" \! ~2 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- u! c" y" D& A: [5 p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]' X$ k3 p+ [- y# d) c6 J
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- D+ [( \0 M8 R% i$ n]' o# o8 D1 j& a; S; a$ t4 K) i
]
# W: z, `5 H# V g, `; D5 Yset global-proportion note0 M% U! Q: T: N* b# d, K7 G9 b
]
* t0 k% ?( Q! I$ Eend% G, Y) q% Y7 l( [ l5 X) l( s' R
1 u: b% G) s$ K( N
to do-trade0 Q0 U0 l4 Q; w5 |
;;这个过程实际上是给双方作出评价的过程
0 E/ ] W. b2 {; pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) F9 L6 v- | Z gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) {# X1 w7 O: ]5 C
set trade-record-current lput(timer) trade-record-current0 V) y. u/ A6 }1 ?' U. O
;;评价时间# a3 V, O7 e( B% d+ F9 y4 K
ask myself [
* I) ^ C% v" }# pupdate-local-reputation/ R% C, o1 r8 {, X
set trade-record-current lput([local-reputation] of myself) trade-record-current
' x3 J) X3 m3 {7 u. M' ?& w]5 [0 k, `: o% F* Y8 B
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ {6 j9 `+ v1 r M0 a;;将此次交易的记录加入到trade-record-one中
1 t& X1 f8 t0 b/ d& n% X( qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% {. E F N+ M; ~! Z$ r( m! g! elet note (item 2 trade-record-current )
! j' y+ `: z1 {" T* p+ Z' Iset trade-record-current0 T" s s; k* f6 t
(replace-item 2 trade-record-current (item 3 trade-record-current))0 _9 X* f( o0 l: W E; f1 ?/ q% E
set trade-record-current
% R! d3 t, |" d(replace-item 3 trade-record-current note)
" m5 Z, s8 G' z! F: ` k1 _
$ C0 v7 E* b* o- D# }0 n% P: V) G. S5 H2 r% T( u
ask customer [
2 `: J1 f5 n V+ hupdate-local-reputation
$ X; |$ }8 m( ^! jset trade-record-current
2 L. l7 k; U) k! j' [# M8 p) F S' M# G(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ o+ y$ T; a3 N% X$ M8 M" ^
]
8 m) N/ e" T( m5 ~: r1 W1 u9 i! o# _; B5 x% V; S0 t- I
, d6 Z! P v2 Y) [; w4 B3 oset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 D$ C, m/ t1 P/ J( D
& Q- ~5 W7 q& B$ M4 }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 M7 c0 F, U0 J8 J, c
;;将此次交易的记录加入到customer的trade-record-all中
& j/ Z3 k5 O# y" L7 _' fend
0 j% p* l( H$ h, k, ^5 B
/ y% L& @/ J4 S& G" xto update-local-reputation2 B, }# q' [, \# i- u
set [trade-record-one-len] of myself length [trade-record-one] of myself
7 L4 a# _$ i. P7 v
. F' ~8 @; ^& G7 e8 C i, K- B% ^! n' ]! {
;;if [trade-record-one-len] of myself > 3
- f$ |; h' K6 [5 {9 G: ^( uupdate-neighbor-total
% y( T2 u( V0 g+ \;;更新邻居节点的数目,在此进行
7 N6 X5 H* C f5 Jlet i 3& J6 `; E" R" `7 Z" i: U
let sum-time 0
9 @ m- b4 M+ s* W- gwhile[i < [trade-record-one-len] of myself]
+ Q8 b1 l; i1 f/ G4 ~[2 x9 l0 U3 o1 I# d7 W8 q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 K2 R0 ^7 c( e; l7 S0 w8 ?set i; X% k& K4 n1 U( Q
( i + 1)
: d- n* d% j. G' D& X5 @]7 X8 `. B- K+ ]0 A
let j 3' e/ a5 P4 d% m4 g! m
let sum-money 00 l. o- o3 B9 b7 ?5 K3 `' k2 p
while[j < [trade-record-one-len] of myself]- E2 @" |3 E, m5 w- }8 F
[ x! M* X) i3 t$ n, A
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
; t6 N& y* G9 o6 Kset j% u6 I1 R& x0 t$ M) M
( j + 1)& L1 z; Y3 Y9 m
]
% z3 r0 x6 n8 slet k 3
2 B }, Q2 z0 l: F9 \let power 0
( b$ g9 }; |: {) @1 ?; ]let local 0; f6 }; Q! ]. k6 u% M
while [k <[trade-record-one-len] of myself]! s" _. q, n- D) g \/ F8 F; i* A
[" z/ V A, }) Y3 b3 o
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 9 A& y6 J6 q- l. i8 y: k7 O/ r
set k (k + 1)# k' Y% B4 A# j$ N, o$ V
]
0 D8 O% }. z: u$ a7 eset [local-reputation] of myself (local)
" ?7 y5 a$ t9 X! d- t2 r* {' M( Wend- Z4 O* V. W2 m! S3 m8 X% _
1 J3 I I' d+ C- J3 c. _8 k
to update-neighbor-total
6 \4 v7 a" X% e
' ~0 z$ Z$ L& o& @. wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. S' B2 A- |6 D
. j6 J2 ]. B6 w* v
' H$ u; Z i6 _/ gend
. A2 \$ g; \7 ~- y) V7 ^$ H" \4 p. b& ~4 W7 o7 q
to update-credibility-ijl 9 c! L2 O& t; P6 X
5 m, t. y7 y9 a# p6 v! J% k
;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
( I/ ?( c# [4 ?3 r5 A% Vlet l 0: ^. c% s, M7 P) i
while[ l < people ]
5 h/ ^; Q) b% K0 e( _2 `6 H;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
) P6 c( h& ?. ]' H' I: D[! i4 Q# l% z# F9 h! Y8 @' y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& q' s7 R" J3 |' I h) j
if (trade-record-one-j-l-len > 3)
+ h: {: f7 c. c; f[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
8 K8 H# v" X" w, `let i 3+ B( Z- E/ N7 y* Q
let sum-time 0# {; `1 m8 H9 n3 W
while[i < trade-record-one-len]2 Y; V: z# }5 @5 ~8 ^5 u) s
[8 P: u9 K# V5 Y$ @
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# o4 m- ~& y, n8 P0 { ] S
set i1 R4 i/ e# ?6 D; o3 u/ [
( i + 1)
" B) `4 y* L* o$ u9 v]
4 @! d" C' c) |, S# Z6 J; ulet credibility-i-j-l 02 _* h8 B& E* T$ H
;;i评价(j对jl的评价)
2 |: I, P( @# C4 Q! W3 d& W# ]let j 3
# p$ v3 N L' ?) T& b: i n3 dlet k 4
3 t" ~ g- q) l0 G5 d5 w; kwhile[j < trade-record-one-len]
. p$ ]6 `. ` [+ [" y[- ~& J( G& Z l2 c+ M% Y% h# F @2 Y* E
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉7 L& o0 G% T% @# i \8 d6 y
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)* ?! H8 t. r; A( s/ M
set j+ a$ j& d4 o- a6 w- T9 |
( j + 1)
/ A) L, U/ c9 |; O9 ?! w2 L- G]
5 u+ d u! d- V7 ?+ Vset [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))
8 x0 N I/ H. B1 d
! q2 F( T. p- H7 p- y1 f9 e) }
& X. k" ?& W" Llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))/ N2 X4 V7 C f2 Q' n
;;及时更新i对l的评价质量的评价6 R3 v( T! P3 d) D2 d# }8 m+ ~
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) O S" h2 j8 S
set l (l + 1)' x* ~2 ^% p: U, R, }
]# \# j3 \5 X- U& e# U/ f( _
end
0 h0 S0 S; n4 q5 B7 k8 Z! r3 h# q; D$ ~' E% I
to update-credibility-list& s& i2 f, n/ f: M
let i 0
* ^& P7 a# ?" Cwhile[i < people]- \+ }, `5 \, e0 s5 [; D
[4 N4 M8 s) [. H: u
let j 0
6 k/ C& |, R( E! r# l. ?) M; b: }let note 0
: ~, k9 U8 K/ t5 Mlet k 09 W' u0 o* T8 j" j2 Z
;;计作出过评价的邻居节点的数目
1 J+ A7 j9 b" R) S8 j0 s; u, M1 {) Vwhile[j < people]
9 F, I6 m, [+ o( q[8 g, F& a( J9 A% T: q! f* z! }, ]
if (item j( [credibility] of turtle (i + 1)) != -1): N! L+ x @6 E- K2 e" h
;;判断是否给本turtle的评价质量做出过评价的节点' E7 ?" Y9 }3 O+ n( R, E
[set note (note + item j ([credibility]of turtle (i + 1)))- b5 D, w: }$ D) P5 {8 S
;;*(exp (-(people - 2)))/(people - 2))]
4 I" x0 i5 ^* S% J* q/ N( Hset k (k + 1)5 D3 _# L5 @- I5 G0 r
]! J9 O' K$ q1 c! d& H
set j (j + 1)7 w3 n/ a) W- f/ A: T2 ?
]- K& d, f2 ?) j M1 o
set note (note *(exp (- (1 / k)))/ k)
9 d4 r. ~7 S* f/ _7 iset credibility-list (replace-item i credibility-list note)# l! w+ K+ G) i; n
set i (i + 1) f) l" X$ i P5 c2 Y2 H y9 F" Q
]: }- T C2 l# I. z4 j
end
8 v+ r# E( d! s0 B
( C5 T, z+ g8 W+ l# uto update-global-reputation-list' V( Z0 C) \/ s
let j 01 r6 I! a; W9 i
while[j < people]
( t/ H/ G# t8 R7 K& h[9 c- Q8 |8 V) _* T% ?
let new 0
# F! w0 A) r& v6 ^- B! e! l. ];;暂存新的一个全局声誉( d9 E2 _! ?" ^0 r5 ?' A
let i 0
3 ~, @8 L; c# Z. q0 D/ d3 T1 Olet sum-money 0
! T* J. f( J+ s. rlet credibility-money 0
2 g Z. Z, ]& ~! @& F! A5 D& Nwhile [i < people]
1 k3 a& T" S$ l3 ~$ `[3 D( [- w0 N0 ~ P7 d
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 L5 m! z/ R3 [* ]
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( S0 k% a" [# Y- V1 }, Fset i (i + 1)
; y; V" _+ J( Z9 s9 D; [; ^] `- e6 [% n( E( \% B2 y" h4 a
let k 0
% p1 ?4 @- s9 {, ylet new1 0
: l, t% [; ]- o* {2 Cwhile [k < people]4 e: v8 I. Y3 z n( y' {
[
7 O) h: T( m# U. Hset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
6 B- J/ J1 V; y9 [$ @# j Sset k (k + 1); p" O3 m" Z& J" e+ q& d
]
}/ f. N- q- T: i# Mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
, d+ W+ l6 m. I- ~1 [6 lset global-reputation-list (replace-item j global-reputation-list new)
; G; P* d$ ]4 s' E) B5 ]3 W2 |set j (j + 1)3 \( e h6 ^& Q( r+ C8 Q
]4 R8 M, y1 d9 |( h* P
end$ G n3 p$ ]& o! {8 x8 R
3 ~7 X5 E) U. ~' q/ `
( @9 a6 {0 m4 a/ o# J. t2 L
( C3 _7 x0 e6 A0 \
to get-color
( S0 M% h( [& r
0 g- s4 i1 e1 f3 y5 Mset color blue
/ i0 ^6 K8 P- [: x+ gend
! m- i5 ]+ ?' ~2 |6 |# N' l8 |" ?( e/ w! O( J
to poll-class- G5 F& p8 L. D% j! K/ L/ G- v ]
end0 H. z6 g5 u( K( l
, ?# B) A; B' v7 pto setup-plot1
0 y7 }1 ]- D0 R4 }: q/ o. I' c4 ^( _3 X) F; e! u
set-current-plot "Trends-of-Local-reputation"1 ^2 @5 C( v& z+ v& x$ h# A. w7 r
u5 H3 J- X* X. G4 B% Mset-plot-x-range 0 xmax
: i- r! e6 o" s$ z$ K; u! k# k @) g
set-plot-y-range 0.0 ymax
: O+ G; R+ ^) D1 l+ J9 I2 Rend
1 j1 n- d- t# R' X! C t
7 x- h8 F8 V0 k- q# ]6 w+ z7 X" }to setup-plot2
. }; D/ @+ M' u; V
& V0 W! Q" R" y; C3 e) b0 \2 c+ rset-current-plot "Trends-of-global-reputation" p$ A/ R6 e; H4 f
& Z9 ?+ Z n$ c$ l8 b( Q: V6 }set-plot-x-range 0 xmax
3 M; B! B [0 X6 Z* ?9 ?. h5 H5 h
set-plot-y-range 0.0 ymax
$ [' R) c) V1 e2 n2 oend
- k: E6 J/ ^( x2 a/ j0 Q2 I, ^/ C9 j# e6 t: t( k: P5 N
to setup-plot3& s" i1 F# M6 ]
d1 R1 Q4 g& G7 N, I* bset-current-plot "Trends-of-credibility"! x S9 @1 J4 X: C
8 A5 U! L d2 D6 U: n, [- z
set-plot-x-range 0 xmax9 K' c0 t- I; D$ V/ X
5 x; E* P8 Q2 O9 x
set-plot-y-range 0.0 ymax+ i, @# k" I9 r _/ |
end
/ T* }( `) j/ C- F& n. m4 F" s7 k w
to do-plots
3 b% [- j* h4 \7 S6 Q; g; N4 yset-current-plot "Trends-of-Local-reputation"6 D8 o8 u5 K, T
set-current-plot-pen "Honest service" X5 E) A/ P2 |- ^
end2 l! c$ u3 c4 y
h& k2 `( L* B5 l. W& s[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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